Merge branch 'master' into core-updates

 Conflicts:
	gnu/local.mk
	gnu/packages/backup.scm
	gnu/packages/emacs-xyz.scm
	gnu/packages/guile.scm
	gnu/packages/lisp.scm
	gnu/packages/openldap.scm
	gnu/packages/package-management.scm
	gnu/packages/web.scm
	gnu/packages/xorg.scm

69 files changed, 6220 insertions, 771 deletions

diff --git a/doc/guix-cookbook.texi b/doc/guix-cookbook.texi
index 82700a48ad..f58d18d47c 100644
--- a/doc/guix-cookbook.texi
+++ b/doc/guix-cookbook.texi
@@ -13,6 +13,7 @@ Copyright @copyright{} 2019 Efraim Flashner@*
 Copyright @copyright{} 2019 Pierre Neidhardt@*
 Copyright @copyright{} 2020 Oleg Pykhalov@*
 Copyright @copyright{} 2020 Matthew Brooks@*
+Copyright @copyright{} 2020 Marcin Karpezo@*
 
 Permission is granted to copy, distribute and/or modify this document
 under the terms of the GNU Free Documentation License, Version 1.3 or
@@ -1575,7 +1576,7 @@ available for inclusion into the initrd.
 @cindex stumpwm
 
 You could install StumpWM with a Guix system by adding
-@code{stumpwm-checkout} and optionally @code{`(,stumpwm-checkout "lib")}
+@code{stumpwm} and optionally @code{`(,stumpwm "lib")}
 packages to a system configuration file, e.g.@: @file{/etc/config.scm}.
 
 An example configuration can look like this:
@@ -1586,7 +1587,7 @@ An example configuration can look like this:
 
 (operating-system
   ;; …
-  (packages (append (list sbcl stumpwm-checkout `(,stumpwm-checkout "lib"))
+  (packages (append (list sbcl stumpwm `(,stumpwm "lib"))
                     %base-packages)))
 @end lisp
 
@@ -1601,7 +1602,7 @@ module @code{sbcl-stumpwm-ttf-fonts}, adding it to Guix system packages:
 
 (operating-system
   ;; …
-  (packages (append (list sbcl stumpwm-checkout `(,stumpwm-checkout "lib"))
+  (packages (append (list sbcl stumpwm `(,stumpwm "lib"))
                     sbcl-stumpwm-ttf-fonts font-dejavu %base-packages)))
 @end lisp
 
diff --git a/doc/guix.texi b/doc/guix.texi
index 6613a4af13..26b4652f67 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -63,7 +63,7 @@ Copyright @copyright{} 2018, 2019 Florian Pelz@*
 Copyright @copyright{} 2018 Laura Lazzati@*
 Copyright @copyright{} 2018 Alex Vong@*
 Copyright @copyright{} 2019 Josh Holland@*
-Copyright @copyright{} 2019 Diego Nicola Barbato@*
+Copyright @copyright{} 2019, 2020 Diego Nicola Barbato@*
 Copyright @copyright{} 2019 Ivan Petkov@*
 Copyright @copyright{} 2019 Jakob L. Kreuze@*
 Copyright @copyright{} 2019 Kyle Andrews@*
@@ -5118,7 +5118,7 @@ guix pack -f squashfs bash guile emacs geiser
 @noindent
 The result is a SquashFS file system image that can either be mounted or
 directly be used as a file system container image with the
-@uref{https://singularity.lbl.gov, Singularity container execution
+@uref{https://www.sylabs.io/docs/, Singularity container execution
 environment}, using commands like @command{singularity shell} or
 @command{singularity exec}.
 
@@ -8830,7 +8830,7 @@ $ guix environment --no-grafts -C foo --ad-hoc strace gdb
 Here, @command{guix environment -C} creates a container and spawns a new
 shell in it (@pxref{Invoking guix environment}).  The @command{--ad-hoc
 strace gdb} part adds the @command{strace} and @command{gdb} commands to
-the container, which would may find handy while debugging.  The
+the container, which you may find handy while debugging.  The
 @option{--no-grafts} option makes sure we get the exact same
 environment, with ungrafted packages (@pxref{Security Updates}, for more
 info on grafts).
@@ -16290,6 +16290,13 @@ sound server.  It exists to allow system overrides of the default settings
 via @code{pulseaudio-configuration}, see below.
 
 @quotation Warning
+This service overrides per-user configuration files.  If you want
+PulseAudio to honor configuraton files in @file{~/.config/pulse} you
+have to unset the environment variables @code{PULSE_CONFIG} and
+@code{PULSE_CLIENTCONFIG} in your @file{~/.bash_profile}.
+@end quotation
+
+@quotation Warning
 This service on its own does not ensure, that the @code{pulseaudio} package
 exists on your machine.  It merely adds configuration files for it, as
 detailed below.  In the (admittedly unlikely) case, that you find yourself
@@ -26592,7 +26599,7 @@ like
 
 @lisp
 (bootloader
- (grub-configuration
+ (bootloader-configuration
  ;; @dots{}
  (theme (grub-theme
          (inherit %default-theme)
diff --git a/gnu/local.mk b/gnu/local.mk
index 57346cc2ef..ca6ccb2463 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -10,7 +10,7 @@
 # Copyright © 2016, 2017, 2018, 2019, 2020 Ricardo Wurmus <rekado@elephly.net>
 # Copyright © 2016 Ben Woodcroft <donttrustben@gmail.com>
 # Copyright © 2016, 2017, 2018, 2019 Alex Vong <alexvong1995@gmail.com>
-# Copyright © 2016, 2017, 2018, 2019 Efraim Flashner <efraim@flashner.co.il>
+# Copyright © 2016, 2017, 2018, 2019, 2020 Efraim Flashner <efraim@flashner.co.il>
 # Copyright © 2016, 2017, 2018, 2019, 2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
 # Copyright © 2017, 2018, 2019, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
 # Copyright © 2017, 2018 Clément Lassieur <clement@lassieur.org>
@@ -875,6 +875,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/emacs-magit-log-format-author-margin.patch	\
   %D%/packages/patches/emacs-scheme-complete-scheme-r5rs-info.patch	\
   %D%/packages/patches/emacs-source-date-epoch.patch		\
+  %D%/packages/patches/emacs-telega-test-env.patch		\
   %D%/packages/patches/emacs-undohist-ignored.patch	\
   %D%/packages/patches/emacs-wordnut-require-adaptive-wrap.patch	\
   %D%/packages/patches/emacs-zones-called-interactively.patch	\
diff --git a/gnu/packages/admin.scm b/gnu/packages/admin.scm
index 8d8c6a4b94..cd9901d5bf 100644
--- a/gnu/packages/admin.scm
+++ b/gnu/packages/admin.scm
@@ -152,24 +152,22 @@
        (list "--enable-sudo=yes")
        #:phases
        (modify-phases %standard-phases
-         (add-after 'unpack 'patch-sudo-path
-           (lambda* (#:key inputs #:allow-other-keys)
+         (add-after 'unpack 'patch-file-names
+           (lambda _
              (substitute* "configure.ac"
+               (("supath=`which su 2>/dev/null`")
+                "supath=/run/setuid-programs/su")
                (("sudopath=`which sudo 2>/dev/null`")
-                (string-append "sudopath="
-                               (string-append (assoc-ref inputs "sudo")
-                                              "/bin/sudo"))))
+                "sudopath=/run/setuid-programs/sudo"))
              #t)))))
     (native-inputs
      `(("autoconf" ,autoconf)
-       ("autogen" ,autogen)
        ("automake" ,automake)
        ("libtool" ,libtool)
        ("pkg-config" ,pkg-config)))
     (inputs
      `(("glib" ,glib)
-       ("gtk+" ,gtk+-2)
-       ("sudo" ,sudo)))
+       ("gtk+" ,gtk+-2)))
     (synopsis "Graphical front end for @command{su}")
     (description
      "Ktsuss stands for ``Keep the @command{su} simple, stupid''.
diff --git a/gnu/packages/aspell.scm b/gnu/packages/aspell.scm
index fecc9a89ae..7550736c40 100644
--- a/gnu/packages/aspell.scm
+++ b/gnu/packages/aspell.scm
@@ -8,6 +8,7 @@
 ;;; Copyright © 2016, 2017, 2019 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2019 Jens Mølgaard <jens@zete.tk>
 ;;; Copyright © 2020 Timotej Lazar <timotej.lazar@araneo.si>
+;;; Copyright © 2020 Marcin Karpezo <sirmacik@wioo.waw.pl>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -289,6 +290,13 @@ dictionaries, including personal ones.")
                      (base32
                       "0w2k5l5rbqpliripgqwiqixz5ghnjf7i9ggbrc4ly4vy1ia10rmc")))
 
+(define-public aspell-dict-pl
+  (aspell-dictionary "pl" "Polish"
+                     #:version "0.51-0"
+                     #:sha256
+                     (base32
+                      "1a3ccji6k5gys7l3ilr2lh5pzxgzb7ipc5vb737svl6nqgdy8757")))
+
 (define-public aspell-dict-pt-br
   (aspell-dictionary "pt_BR" "Brazilian Portuguese"
                      #:version "20131030-12-0"
diff --git a/gnu/packages/astronomy.scm b/gnu/packages/astronomy.scm
index 076a03e5a9..7261c62978 100644
--- a/gnu/packages/astronomy.scm
+++ b/gnu/packages/astronomy.scm
@@ -157,7 +157,7 @@ programs for the manipulation and analysis of astronomical data.")
 (define-public stellarium
   (package
     (name "stellarium")
-    (version "0.19.3")
+    (version "0.20.1")
     (source
      (origin
        (method url-fetch)
@@ -165,7 +165,7 @@ programs for the manipulation and analysis of astronomical data.")
                            "/releases/download/v" version
                            "/stellarium-" version ".tar.gz"))
        (sha256
-        (base32 "0p92rgclag0nkic9gk3p9vclb8xx9hv4zlgyij6cyh43s7c1avhp"))))
+        (base32 "034jkrdaaamvbrkfwi3qcl6h8hwfnw2nvf7a82faj55rskcpnkhm"))))
     (build-system cmake-build-system)
     (inputs
      `(("qtbase" ,qtbase)
diff --git a/gnu/packages/audio.scm b/gnu/packages/audio.scm
index 65d467ad63..e25d0978d0 100644
--- a/gnu/packages/audio.scm
+++ b/gnu/packages/audio.scm
@@ -1979,14 +1979,14 @@ significantly faster and have minimal dependencies.")
 (define-public lv2
   (package
     (name "lv2")
-    (version "1.16.0")
+    (version "1.18.0")
     (source (origin
              (method url-fetch)
              (uri (string-append "http://lv2plug.in/spec/lv2-"
                                  version ".tar.bz2"))
              (sha256
               (base32
-               "1ppippbpdpv13ibs06b0bixnazwfhiw0d0ja6hx42jnkgdyp5hyy"))))
+               "0gs7401xz23q9vajqr31aa2db8dvssgyh5zrvr4ipa6wig7yb8wh"))))
     (build-system waf-build-system)
     (arguments
      `(#:tests? #f  ; no check target
diff --git a/gnu/packages/backup.scm b/gnu/packages/backup.scm
index 149f857a41..6a5080bcf8 100644
--- a/gnu/packages/backup.scm
+++ b/gnu/packages/backup.scm
@@ -11,10 +11,11 @@
 ;;; Copyright © 2017 Rutger Helling <rhelling@mykolab.com>
 ;;; Copyright © 2018 Mark H Weaver <mhw@netris.org>
 ;;; Copyright © 2018 Oleg Pykhalov <go.wigust@gmail.com>
-;;; Copyright © 2018, 2019 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2018, 2019, 2020 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2019 Alex Vong <alexvong1995@gmail.com>
 ;;; Copyright © 2019 Marius Bakke <mbakke@fastmail.com>
 ;;; Copyright © 2019 Mathieu Othacehe <m.othacehe@gmail.com>
+;;; Copyright © 2020 Nicolas Goaziou <mail@nicolasgoaziou.fr>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -37,6 +38,7 @@
   #:use-module (guix git-download)
   #:use-module (guix download)
   #:use-module (guix utils)
+  #:use-module (guix build-system cmake)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system go)
   #:use-module (guix build-system python)
@@ -64,6 +66,7 @@
   #:use-module (gnu packages pcre)
   #:use-module (gnu packages perl)
   #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages protobuf)
   #:use-module (gnu packages python)
   #:use-module (gnu packages python-crypto)
   #:use-module (gnu packages python-web)
@@ -987,6 +990,42 @@ precious backup space.
 @end itemize")
     (license license:bsd-2)))
 
+(define-public zbackup
+  (package
+    (name "zbackup")
+    (version "1.4.4")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/zbackup/zbackup.git")
+             (commit version)))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "14l1kyxg7pccpax3d6qcpmdycb70kn3fxp1a59w64hqy2493hngl"))))
+    (build-system cmake-build-system)
+    (arguments
+     `(#:tests? #f))                    ;no test
+    (inputs
+     `(("lzo" ,lzo)
+       ("libressl" ,libressl)
+       ("protobuf" ,protobuf)
+       ("xz" ,xz)
+       ("zlib" ,zlib)))
+    (home-page "http://zbackup.org")
+    (synopsis "Versatile deduplicating backup tool")
+    (description
+     "ZBackup is a globally-deduplicating backup tool, based on the
+ideas found in Rsync.  Feed a large @file{.tar} into it, and it will
+store duplicate regions of it only once, then compress and optionally
+encrypt the result.  Feed another @file{.tar} file, and it will also
+re-use any data found in any previous backups.  This way only new
+changes are stored, and as long as the files are not very different,
+the amount of storage required is very low.  Any of the backup files
+stored previously can be read back in full at any time.  The program
+is format-agnostic, so you can feed virtually any files to it.")
+    (license license:gpl2+)))
+
 (define-public burp
   (package
     (name "burp")
diff --git a/gnu/packages/bioconductor.scm b/gnu/packages/bioconductor.scm
index 68d8e5b574..b4be8aee15 100644
--- a/gnu/packages/bioconductor.scm
+++ b/gnu/packages/bioconductor.scm
@@ -1,6 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2016, 2017, 2018, 2019, 2020 Ricardo Wurmus <rekado@elephly.net>
-;;; Copyright © 2016, 2017, 2018 Roel Janssen <roel@gnu.org>
+;;; Copyright © 2016, 2017, 2018, 2020 Roel Janssen <roel@gnu.org>
 ;;; Copyright © 2017, 2018, 2019 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2019 Simon Tournier <zimon.toutoune@gmail.com>
 ;;;
@@ -493,6 +493,30 @@ annotations for the genome of the model mouse Mus musculus.")
 by UCSC (hg19, February 2009) and stored in Biostrings objects.")
     (license license:artistic2.0)))
 
+(define-public r-bsgenome-hsapiens-ucsc-hg38
+  (package
+    (name "r-bsgenome-hsapiens-ucsc-hg38")
+    (version "1.4.1")
+    (source (origin
+              (method url-fetch)
+              (uri (bioconductor-uri "BSgenome.Hsapiens.UCSC.hg38"
+                                     version 'annotation))
+              (sha256
+               (base32
+                "1ql08pvi4vv0ynvg4qs9kysw1c7s3crkgin6zxvgzqk6fray9mvi"))))
+    (properties
+     `((upstream-name . "BSgenome.Hsapiens.UCSC.hg38")))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-bsgenome" ,r-bsgenome)))
+    (home-page
+     "https://www.bioconductor.org/packages/BSgenome.Hsapiens.UCSC.hg38/")
+    (synopsis "Full genome sequences for Homo sapiens")
+    (description
+     "This package provides full genome sequences for Homo sapiens (Human)
+as provided by UCSC (hg38, Dec. 2013) and stored in Biostrings objects.")
+    (license license:artistic2.0)))
+
 (define-public r-ensdb-hsapiens-v75
   (package
     (name "r-ensdb-hsapiens-v75")
@@ -718,6 +742,30 @@ annotations.")
      "This is a manifest package for Illumina's EPIC methylation arrays.")
     (license license:artistic2.0)))
 
+(define-public r-ideoviz
+  (package
+    (name "r-ideoviz")
+    (version "1.22.0")
+    (source (origin
+              (method url-fetch)
+              (uri (bioconductor-uri "IdeoViz" version))
+              (sha256
+               (base32
+                "0rsz6dawrx5qdrypxs2hgihmx3kbpdg1y73h876yxccgdlabvzil"))))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-biobase" ,r-biobase)
+       ("r-iranges" ,r-iranges)
+       ("r-genomicranges" ,r-genomicranges)
+       ("r-rcolorbrewer" ,r-rcolorbrewer)
+       ("r-rtracklayer" ,r-rtracklayer)
+       ("r-genomeinfodb" ,r-genomeinfodb)))
+    (home-page "https://bioconductor.org/packages/IdeoViz/")
+    (synopsis "Plots data along a chromosomal ideogram")
+    (description "This package provides functions to plot data associated with
+arbitrary genomic intervals along chromosomal ideogram.")
+    (license license:gpl2)))
+
 ;; This is a CRAN package, but it depends on r-bsgenome-hsapiens-ucsc-hg19
 ;; from Bioconductor.
 (define-public r-deconstructsigs
@@ -811,6 +859,32 @@ performing parallel computations on multicore machines.")
 Disease Ontology.")
     (license license:artistic2.0)))
 
+(define-public r-pasilla
+  (package
+    (name "r-pasilla")
+    (version "1.14.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "http://bioconductor.org/packages/release/data/experiment"
+                    "/src/contrib/pasilla_" version ".tar.gz"))
+              (sha256
+               (base32
+                "0h124i2fb2lbj2k48zzf1n7ldqa471bs26fbd9vw50299aqx28x0"))))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-biocstyle" ,r-biocstyle)
+       ("r-dexseq" ,r-dexseq)
+       ("r-knitr" ,r-knitr)
+       ("r-rmarkdown" ,r-rmarkdown)))
+    (home-page "https://www.bioconductor.org/packages/pasilla/")
+    (synopsis "Data package with per-exon and per-gene read counts")
+    (description "This package provides per-exon and per-gene read counts
+computed for selected genes from RNA-seq data that were presented in the
+article 'Conservation of an RNA regulatory map between Drosophila and mammals'
+by Brooks et al., Genome Research 2011.")
+    (license license:lgpl2.1+)))
+
 (define-public r-pfam-db
   (package
     (name "r-pfam-db")
@@ -995,6 +1069,63 @@ examples' of Affymetrix data, unlike the artificial examples included in the
 package @code{affy}.")
     (license license:gpl2+)))
 
+(define-public r-coverageview
+  (package
+    (name "r-coverageview")
+    (version "1.24.0")
+    (source (origin
+              (method url-fetch)
+              (uri (bioconductor-uri "CoverageView" version))
+              (sha256
+               (base32
+                "0s47svs7xnr9jkylq0dxidqrigihdddiprcl0951vjr4w7kmb5nf"))))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-s4vectors" ,r-s4vectors)
+       ("r-iranges" ,r-iranges)
+       ("r-genomicranges" ,r-genomicranges)
+       ("r-genomicalignments" ,r-genomicalignments)
+       ("r-rtracklayer" ,r-rtracklayer)
+       ("r-rsamtools" ,r-rsamtools)))
+    (home-page "https://bioconductor.org/packages/CoverageView/")
+    (synopsis "Coverage visualization package for R")
+    (description "This package provides a framework for the visualization of
+genome coverage profiles.  It can be used for ChIP-seq experiments, but it can
+be also used for genome-wide nucleosome positioning experiments or other
+experiment types where it is important to have a framework in order to inspect
+how the coverage distributed across the genome.")
+    (license license:artistic2.0)))
+
+(define-public r-cummerbund
+  (package
+   (name "r-cummerbund")
+   (version "2.28.0")
+   (source (origin
+             (method url-fetch)
+             (uri (bioconductor-uri "cummeRbund" version))
+             (sha256
+              (base32
+               "1fjc3bcclm4gsvw4nq6cv3a1kbrldvrxbkyfb9306708si1n4dwk"))))
+   (build-system r-build-system)
+   (propagated-inputs
+    `(("r-biobase" ,r-biobase)
+      ("r-biocgenerics" ,r-biocgenerics)
+      ("r-fastcluster", r-fastcluster)
+      ("r-ggplot2" ,r-ggplot2)
+      ("r-gviz" ,r-gviz)
+      ("r-plyr" ,r-plyr)
+      ("r-reshape2" ,r-reshape2)
+      ("r-rsqlite" ,r-rsqlite)
+      ("r-rtracklayer" ,r-rtracklayer)
+      ("r-s4vectors" ,r-s4vectors)))
+   (home-page "https://bioconductor.org/packages/cummeRbund/")
+   (synopsis "Analyze Cufflinks high-throughput sequencing data")
+   (description "This package allows for persistent storage, access,
+exploration, and manipulation of Cufflinks high-throughput sequencing
+data.  In addition, provides numerous plotting functions for commonly
+used visualizations.")
+   (license license:artistic2.0)))
+
 (define-public r-curatedtcgadata
   (package
     (name "r-curatedtcgadata")
@@ -2533,6 +2664,41 @@ and regression inferences from RNA-sequencing data.")
 gene and isoform level using RNA-seq data")
     (license license:artistic2.0)))
 
+(define-public r-karyoploter
+  (package
+    (name "r-karyoploter")
+    (version "1.12.4")
+    (source (origin
+              (method url-fetch)
+              (uri (bioconductor-uri "karyoploteR" version))
+              (sha256
+               (base32
+                "03jmfgmw35hrgn3pc5lq6pblzhfx9fp4l6dx50rp303lr7kjxp9v"))))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-regioner" ,r-regioner)
+       ("r-genomicranges" ,r-genomicranges)
+       ("r-iranges" ,r-iranges)
+       ("r-rsamtools" ,r-rsamtools)
+       ("r-memoise" ,r-memoise)
+       ("r-rtracklayer" ,r-rtracklayer)
+       ("r-genomeinfodb" ,r-genomeinfodb)
+       ("r-s4vectors" ,r-s4vectors)
+       ("r-biovizbase" ,r-biovizbase)
+       ("r-digest" ,r-digest)
+       ("r-bezier" ,r-bezier)
+       ("r-bamsignals" ,r-bamsignals)
+       ("r-annotationdbi" ,r-annotationdbi)
+       ("r-variantannotation" ,r-variantannotation)))
+    (home-page "https://bioconductor.org/packages/karyoploteR/")
+    (synopsis "Plot customizable linear genomes displaying arbitrary data")
+    (description "This package creates karyotype plots of arbitrary genomes and
+offers a complete set of functions to plot arbitrary data on them.  It mimicks
+many R base graphics functions coupling them with a coordinate change function
+automatically mapping the chromosome and data coordinates into the plot
+coordinates.")
+    (license license:artistic2.0)))
+
 (define-public r-lpsymphony
   (package
     (name "r-lpsymphony")
@@ -3972,6 +4138,78 @@ database (e.g. JASPAR).  It can also be used to visualize motifs, motif
 distributions, modules and filter motifs.")
     (license license:gpl2)))
 
+(define-public r-motifdb
+  (package
+   (name "r-motifdb")
+   (version "1.28.0")
+   (source (origin
+            (method url-fetch)
+            (uri (bioconductor-uri "MotifDb" version))
+            (sha256
+             (base32 "0m5apkjlvdq9yhjdyds3hivfnkbm6f059hy2bkjhalrlhd2si2jc"))))
+   (properties `((upstream-name . "MotifDb")))
+   (build-system r-build-system)
+   (propagated-inputs
+    `(("r-biocgenerics" ,r-biocgenerics)
+      ("r-biostrings" ,r-biostrings)
+      ("r-iranges" ,r-iranges)
+      ("r-rtracklayer" ,r-rtracklayer)
+      ("r-s4vectors" ,r-s4vectors)
+      ("r-splitstackshape" ,r-splitstackshape)))
+   (home-page "https://www.bioconductor.org/packages/MotifDb/")
+   (synopsis "Annotated collection of protein-DNA binding sequence motifs")
+   (description "This package provides more than 2000 annotated position
+frequency matrices from nine public sources, for multiple organisms.")
+   (license license:artistic2.0)))
+
+(define-public r-motifbreakr
+  (package
+   (name "r-motifbreakr")
+   (version "2.0.0")
+   (source (origin
+            (method url-fetch)
+            (uri (bioconductor-uri "motifbreakR" version))
+            (sha256
+             (base32 "190z8gj393qdpq5wz7gph96k0l8c1j9wd0p0llscysvk5kr1hf9n"))))
+   (properties `((upstream-name . "motifbreakR")))
+   (build-system r-build-system)
+   (propagated-inputs
+    `(("r-grimport" ,r-grimport)
+      ("r-stringr" ,r-stringr)
+      ("r-biocgenerics" ,r-biocgenerics)
+      ("r-s4vectors" ,r-s4vectors)
+      ("r-iranges" ,r-iranges)
+      ("r-genomeinfodb" ,r-genomeinfodb)
+      ("r-genomicranges" ,r-genomicranges)
+      ("r-biostrings" ,r-biostrings)
+      ("r-bsgenome" ,r-bsgenome)
+      ("r-rtracklayer" ,r-rtracklayer)
+      ("r-variantannotation" ,r-variantannotation)
+      ("r-biocparallel" ,r-biocparallel)
+      ("r-motifstack" ,r-motifstack)
+      ("r-gviz" ,r-gviz)
+      ("r-matrixstats" ,r-matrixstats)
+      ("r-tfmpvalue" ,r-tfmpvalue)
+      ("r-motifdb" ,r-motifdb)))
+   (home-page "https://www.bioconductor.org/packages/motifbreakR/")
+   (synopsis "Predicting disruptiveness of single nucleotide polymorphisms")
+   (description "This package allows biologists to judge in the first place
+whether the sequence surrounding the polymorphism is a good match, and in
+the second place how much information is gained or lost in one allele of
+the polymorphism relative to another.  This package gives a choice of
+algorithms for interrogation of genomes with motifs from public sources:
+@enumerate
+@item a weighted-sum probability matrix;
+@item log-probabilities;
+@item weighted by relative entropy.
+@end enumerate
+
+This package can predict effects for novel or previously described variants in
+public databases, making it suitable for tasks beyond the scope of its original
+design.  Lastly, it can be used to interrogate any genome curated within
+Bioconductor.")
+   (license license:gpl2+)))
+
 (define-public r-motifstack
   (package
     (name "r-motifstack")
@@ -6368,6 +6606,44 @@ and parameters of which are trained on a set of aligned reads and a reference
 genome sequence.")
     (license license:lgpl3)))
 
+(define-public r-snplocs-hsapiens-dbsnp144-grch37
+  (package
+    (name "r-snplocs-hsapiens-dbsnp144-grch37")
+    (version "0.99.20")
+    (source (origin
+              (method url-fetch)
+              (uri (bioconductor-uri "SNPlocs.Hsapiens.dbSNP144.GRCh37"
+                                     version 'annotation))
+              (sha256
+               (base32
+                "1z8kx43ki1jvj7ms7pcybakcdimfwr6zpjvspkjmma97bdz093iz"))))
+    (build-system r-build-system)
+    ;; As this package provides little more than a very large data file it
+    ;; doesn't make sense to build substitutes.
+    (arguments `(#:substitutable? #f))
+    (propagated-inputs
+     `(("r-biocgenerics" ,r-biocgenerics)
+       ("r-s4vectors" ,r-s4vectors)
+       ("r-iranges" ,r-iranges)
+       ("r-genomeinfodb" ,r-genomeinfodb)
+       ("r-genomicranges" ,r-genomicranges)
+       ("r-bsgenome" ,r-bsgenome)
+       ("r-biostrings" ,r-biostrings)))
+    (home-page
+     "https://bioconductor.org/packages/SNPlocs.Hsapiens.dbSNP144.GRCh37/")
+    (synopsis "SNP locations for Homo sapiens (dbSNP Build 144)")
+    (description "This package provides SNP locations and alleles for Homo
+sapiens extracted from NCBI dbSNP Build 144.  The source data files used for
+this package were created by NCBI on May 29-30, 2015, and contain SNPs mapped
+to reference genome GRCh37.p13.  Note that the GRCh37.p13 genome is a
+patched version of GRCh37.  However the patch doesn't alter chromosomes 1-22,
+X, Y, MT.  GRCh37 itself is the same as the hg19 genome from UCSC *except* for
+the mitochondrion chromosome.  Therefore, the SNPs in this package can be
+injected in @code{BSgenome.Hsapiens.UCSC.hg19} and they will land at the
+correct position but this injection will exclude chrM (i.e. nothing will be
+injected in that sequence).")
+    (license license:artistic2.0)))
+
 (define-public r-reqon
   (package
     (name "r-reqon")
diff --git a/gnu/packages/bioinformatics.scm b/gnu/packages/bioinformatics.scm
index e23bafa623..617908a4a6 100644
--- a/gnu/packages/bioinformatics.scm
+++ b/gnu/packages/bioinformatics.scm
@@ -3,7 +3,7 @@
 ;;; Copyright © 2015, 2016, 2017, 2018 Ben Woodcroft <donttrustben@gmail.com>
 ;;; Copyright © 2015, 2016 Pjotr Prins <pjotr.guix@thebird.nl>
 ;;; Copyright © 2015 Andreas Enge <andreas@enge.fr>
-;;; Copyright © 2016 Roel Janssen <roel@gnu.org>
+;;; Copyright © 2016, 2020 Roel Janssen <roel@gnu.org>
 ;;; Copyright © 2016, 2017, 2018, 2019, 2020 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2016, 2020 Marius Bakke <mbakke@fastmail.com>
 ;;; Copyright © 2016, 2018 Raoul Bonnal <ilpuccio.febo@gmail.com>
@@ -2334,6 +2334,62 @@ file formats including SAM/BAM, Wiggle/BigWig, BED, GFF/GTF, VCF.")
 files.  The code was previously part of the cutadapt tool.")
     (license license:expat)))
 
+(define-public python-deeptoolsintervals
+  (package
+    (name "python-deeptoolsintervals")
+    (version "0.1.9")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "deeptoolsintervals" version))
+              (sha256
+               (base32
+                "1xnl80nblysj6dylj4683wgrfa425rkx4dp5k65hvwdns9pw753x"))))
+    (build-system python-build-system)
+    (inputs
+     `(("zlib" ,zlib)))
+    (home-page "https://github.com/deeptools/deeptools_intervals")
+    (synopsis "Create GTF-based interval trees with associated meta-data")
+    (description
+     "This package provides a Python module creating/accessing GTF-based
+interval trees with associated meta-data.  It is primarily used by the
+@code{deeptools} package.")
+    (license license:expat)))
+
+(define-public python-deeptools
+  (package
+    (name "python-deeptools")
+    (version "3.4.3")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "deepTools" version))
+              (sha256
+               (base32
+                "1azgjniss5ff6a90nicdjkxyjwqmi3gzfn09gra42hwlz19hipxb"))))
+    (build-system python-build-system)
+    (propagated-inputs
+     `(("python-matplotlib" ,python-matplotlib)
+       ("python-numpy" ,python-numpy)
+       ("python-numpydoc" ,python-numpydoc)
+       ("python-py2bit" ,python-py2bit)
+       ("python-pybigwig" ,python-pybigwig)
+       ("python-pysam" ,python-pysam)
+       ("python-scipy" ,python-scipy)
+       ("python-deeptoolsintervals" ,python-deeptoolsintervals)
+       ("python-plotly" ,python-plotly)))
+    (home-page "https://pypi.org/project/deepTools/")
+    (synopsis "Useful tools for exploring deep sequencing data")
+    (description "This package addresses the challenge of handling large amounts
+of data that are now routinely generated from DNA sequencing centers.
+@code{deepTools} contains useful modules to process the mapped reads data for
+multiple quality checks, creating normalized coverage files in standard bedGraph
+and bigWig file formats, that allow comparison between different files.  Finally,
+using such normalized and standardized files, deepTools can create many
+publication-ready visualizations to identify enrichments and for functional
+annotations of the genome.")
+    ;; The file deeptools/cm.py is licensed under the BSD license.  The
+    ;; remainder of the code is licensed under the MIT license.
+    (license (list license:bsd-3 license:expat))))
+
 (define-public cutadapt
   (package
     (name "cutadapt")
@@ -4886,14 +4942,24 @@ files and writing bioinformatics applications.")
          "1agfz6zqa8nc6cw47yh0s3y14gkpa9wqazwcj7mwwj3ffnw39p3j"))))
     (build-system python-build-system)
     (arguments
-     `(#:python ,python-2))  ; requires Python 2.7
+     `(#:python ,python-2  ; requires Python 2.7
+       #:tests? #f ; test data are not included
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'use-weave
+           (lambda _
+             (substitute* "warpedlmm/util/linalg.py"
+               (("from scipy import linalg, weave")
+                "from scipy import linalg\nimport weave"))
+             #t)))))
     (propagated-inputs
      `(("python-scipy" ,python2-scipy)
        ("python-numpy" ,python2-numpy)
        ("python-matplotlib" ,python2-matplotlib)
        ("python-fastlmm" ,python2-fastlmm)
        ("python-pandas" ,python2-pandas)
-       ("python-pysnptools" ,python2-pysnptools)))
+       ("python-pysnptools" ,python2-pysnptools)
+       ("python-weave" ,python2-weave)))
     (native-inputs
      `(("python-mock" ,python2-mock)
        ("python-nose" ,python2-nose)
@@ -9102,6 +9168,46 @@ samples into a single report.  It contains modules for a large number of
 common bioinformatics tools.")
     (license license:gpl3+)))
 
+(define-public variant-tools
+  (package
+    (name "variant-tools")
+    (version "3.1.2")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/vatlab/varianttools.git")
+             ;; There is no tag corresponding to version 3.1.2
+             (commit "813ae4a90d25b69abc8a40f4f70441fe09015249")))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "12ibdmksj7icyqhks4xyvd61bygk4pjmxn618kp6vgk1af01y34g"))))
+    (build-system python-build-system)
+    (inputs
+     `(("boost" ,boost)
+       ("c-blosc" ,c-blosc)
+       ("gsl" ,gsl)
+       ("hdf5" ,hdf5)
+       ("hdf5-blosc" ,hdf5-blosc)
+       ("python-cython" ,python-cython)
+       ("zlib" ,zlib)))
+    (propagated-inputs
+     `(("python-numpy" ,python-numpy)
+       ("python-pycurl" ,python-pycurl)
+       ("python-pyzmq" ,python-pyzmq)
+       ("python-scipy" ,python-scipy)
+       ("python-tables" ,python-tables)))
+    (home-page "https://vatlab.github.io/vat-docs/")
+    (synopsis "Analyze genetic variants from Next-Gen sequencing studies")
+    (description
+     "Variant tools is a tool for the manipulation, annotation,
+selection, simulation, and analysis of variants in the context of next-gen
+sequencing analysis.  Unlike some other tools used for next-gen sequencing
+analysis, variant tools is project based and provides a whole set of tools to
+manipulate and analyze genetic variants.")
+    (license license:gpl3+)))
+
 (define-public r-chipseq
   (package
     (name "r-chipseq")
@@ -9660,13 +9766,13 @@ and irregular enzymatic cleavages, mass measurement accuracy, etc.")
 (define-public r-seurat
   (package
     (name "r-seurat")
-    (version "3.1.4")
+    (version "3.1.5")
     (source (origin
               (method url-fetch)
               (uri (cran-uri "Seurat" version))
               (sha256
                (base32
-                "0lhjbjhv1hnx5i3gkx41k68i8ykay3f24708h30wx9xywww9lsvi"))))
+                "1lbq2pqhb6ih6iqawlnzdh05zff71pwbw1cpfv2sld3pd7kz0zkm"))))
     (properties `((upstream-name . "Seurat")))
     (build-system r-build-system)
     (propagated-inputs
@@ -9688,7 +9794,6 @@ and irregular enzymatic cleavages, mass measurement accuracy, etc.")
        ("r-lmtest" ,r-lmtest)
        ("r-mass" ,r-mass)
        ("r-matrix" ,r-matrix)
-       ("r-metap" ,r-metap)
        ("r-patchwork" ,r-patchwork)
        ("r-pbapply" ,r-pbapply)
        ("r-plotly" ,r-plotly)
@@ -10634,14 +10739,14 @@ provided.")
 (define-public r-hdf5array
   (package
     (name "r-hdf5array")
-    (version "1.14.3")
+    (version "1.14.4")
     (source
      (origin
        (method url-fetch)
        (uri (bioconductor-uri "HDF5Array" version))
        (sha256
         (base32
-         "1z153a7nxmlml72pl1saasj2il9g5ahpynkpv3mkhhsvl5kbwbh6"))))
+         "0ib0grhd9zbrn0dkrm4aa7qj7h0y6z1dvyx1ab3w6vczw7xghsfb"))))
     (properties `((upstream-name . "HDF5Array")))
     (build-system r-build-system)
     (inputs
@@ -13152,7 +13257,7 @@ version does count multisplits.")
 (define-public minimap2
   (package
     (name "minimap2")
-    (version "2.10")
+    (version "2.17")
     (source
      (origin
        (method url-fetch)
@@ -13161,7 +13266,7 @@ version does count multisplits.")
                            "minimap2-" version ".tar.bz2"))
        (sha256
         (base32
-         "080w9066irkbhbyr4nmf19pzkdd2s4v31hpzlajgq2y0drr6zcsj"))))
+         "0hi7i9pzxhvjj44khzzzj1lrn5gb5837arr4wgln7k1k5n4ci2mn"))))
     (build-system gnu-build-system)
     (arguments
      `(#:tests? #f                      ; there are none
@@ -13208,6 +13313,42 @@ cases include:
 @end enumerate\n")
     (license license:expat)))
 
+(define-public miniasm
+  (package
+   (name "miniasm")
+   (version "0.3")
+   (source (origin
+            (method url-fetch)
+            (uri (string-append
+                  "https://github.com/lh3/miniasm/archive/v"
+                  version ".tar.gz"))
+            (file-name (string-append name "-" version ".tar.gz"))
+            (sha256
+               (base32
+                "0g89pa98dvh34idv7w1zv12bsbyr3a11c4qb1cdcz68gyda88s4v"))))
+   (build-system gnu-build-system)
+   (inputs
+    `(("zlib" ,zlib)))
+   (arguments
+    `(#:tests? #f ; There are no tests.
+      #:phases
+      (modify-phases %standard-phases
+        (delete 'configure)
+        (replace 'install
+          (lambda* (#:key inputs outputs #:allow-other-keys)
+            (let ((bin (string-append (assoc-ref outputs "out") "/bin")))
+              (install-file "miniasm" bin)
+              (install-file "minidot" bin)))))))
+   (home-page "https://github.com/lh3/miniasm")
+   (synopsis "Ultrafast de novo assembly for long noisy reads")
+   (description "Miniasm is a very fast OLC-based de novo assembler for noisy
+long reads.  It takes all-vs-all read self-mappings (typically by minimap) as
+input and outputs an assembly graph in the GFA format.  Different from
+mainstream assemblers, miniasm does not have a consensus step.  It simply
+concatenates pieces of read sequences to generate the final unitig sequences.
+Thus the per-base error rate is similar to the raw input reads.")
+   (license license:expat)))
+
 (define-public r-circus
   (package
     (name "r-circus")
@@ -13366,14 +13507,14 @@ in RNA-seq data.")
 (define-public python-scanpy
   (package
     (name "python-scanpy")
-    (version "1.4.5.1")
+    (version "1.4.6")
     (source
      (origin
        (method url-fetch)
        (uri (pypi-uri "scanpy" version))
        (sha256
         (base32
-         "14kh1ji70xxhmri5q8sgcibsidhr6f221wxrcw8a5xvibj5da17j"))))
+         "0s2b6cvaigx4wzw3850qb93sjwwxbzh22kpbp498zklc5rjpbz4l"))))
     (build-system python-build-system)
     (arguments
      `(#:phases
@@ -13383,6 +13524,7 @@ in RNA-seq data.")
              ;; These tests require Internet access.
              (delete-file-recursively "scanpy/tests/notebooks")
              (delete-file "scanpy/tests/test_clustering.py")
+             (delete-file "scanpy/tests/test_datasets.py")
 
              ;; TODO: I can't get the plotting tests to work, even with Xvfb.
              (delete-file "scanpy/tests/test_plotting.py")
@@ -13399,8 +13541,8 @@ in RNA-seq data.")
        ("python-h5py" ,python-h5py)
        ("python-igraph" ,python-igraph)
        ("python-joblib" ,python-joblib)
-       ("python-louvain" ,python-louvain)
        ("python-legacy-api-wrap" ,python-legacy-api-wrap)
+       ("python-louvain" ,python-louvain)
        ("python-matplotlib" ,python-matplotlib)
        ("python-natsort" ,python-natsort)
        ("python-networkx" ,python-networkx)
@@ -13413,6 +13555,7 @@ in RNA-seq data.")
        ("python-seaborn" ,python-seaborn)
        ("python-statsmodels" ,python-statsmodels)
        ("python-tables" ,python-tables)
+       ("python-tqdm" ,python-tqdm)
        ("python-umap-learn" ,python-umap-learn)))
     (native-inputs
      `(("python-pytest" ,python-pytest)
diff --git a/gnu/packages/chromium.scm b/gnu/packages/chromium.scm
index 21ec04d8fb..61ee995c2c 100644
--- a/gnu/packages/chromium.scm
+++ b/gnu/packages/chromium.scm
@@ -248,8 +248,8 @@ from forcing GEXP-PROMISE."
                       #:system system
                       #:guile-for-build guile)))
 
-(define %chromium-version "81.0.4044.122")
-(define %ungoogled-revision "31d6e60c96481599b42072b4489e4468280198e3")
+(define %chromium-version "81.0.4044.129")
+(define %ungoogled-revision "c2a89fb6b5b559c826796c811741fa8ed3e11de8")
 (define %debian-revision "debian/81.0.4044.92-1")
 (define package-revision "0")
 (define %package-version (string-append %chromium-version "-"
@@ -264,7 +264,7 @@ from forcing GEXP-PROMISE."
                         %chromium-version ".tar.xz"))
     (sha256
      (base32
-      "0ahqh3vmzbpai4xwn7qybgw9phc8ssjdvfc7384mxqk9swqgv7qg"))))
+      "1ls663s1f74p912x42qp3zcvm17kmjiv1ij6yy1c14gdhcpmjx7z"))))
 
 (define %ungoogled-origin
   (origin
@@ -275,7 +275,7 @@ from forcing GEXP-PROMISE."
                               (string-take %ungoogled-revision 7)))
     (sha256
      (base32
-      "1pj2vmzb2fagvypjsjn2kqf5n5k8vnhbisyb0snr6wqvpv09x0vv"))))
+      "0bbr4a2gkgm3ykdgpj8x58sd3dwam6qkifhzfs2997681g7b2v2q"))))
 
 (define %debian-origin
   (origin
diff --git a/gnu/packages/compression.scm b/gnu/packages/compression.scm
index ee08a8e171..fb58d25aeb 100644
--- a/gnu/packages/compression.scm
+++ b/gnu/packages/compression.scm
@@ -4,7 +4,7 @@
 ;;; Copyright © 2014, 2015, 2018 Mark H Weaver <mhw@netris.org>
 ;;; Copyright © 2015 Taylan Ulrich Bayırlı/Kammer <taylanbayirli@gmail.com>
 ;;; Copyright © 2015, 2016 Eric Bavier <bavier@member.fsf.org>
-;;; Copyright © 2015, 2016, 2017, 2018 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2015, 2016, 2017, 2018, 2020 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2015, 2017, 2018 Leo Famulari <leo@famulari.name>
 ;;; Copyright © 2015 Jeff Mickey <j@codemac.net>
 ;;; Copyright © 2015, 2016, 2017, 2018, 2019 Efraim Flashner <efraim@flashner.co.il>
@@ -27,6 +27,7 @@
 ;;; Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
 ;;; Copyright © 2020 Björn Höfling <bjoern.hoefling@bjoernhoefling.de>
 ;;; Copyright © 2020 Arun Isaac <arunisaac@systemreboot.net>
+;;; Copyright © 2020 Lars-Dominik Braun <lars@6xq.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -52,6 +53,7 @@
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system glib-or-gtk)
   #:use-module (guix build-system gnu)
+  #:use-module (guix build-system go)
   #:use-module (guix build-system python)
   #:use-module (guix build-system trivial)
   #:use-module (gnu packages)
@@ -2126,3 +2128,64 @@ independent.  Supported formats are 7z, ARJ, bzip2, gzip, LHA, lzma, lzop,
 RAR, RPM, DEB, tar, and ZIP.  It cannot perform functions for archives, whose
 archiver is not installed.")
     (license license:gpl2+)))
+
+(define-public tarsplitter
+  (package
+    (name "tarsplitter")
+    (version "2.2.0")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/AQUAOSOTech/tarsplitter.git")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "17qkg95r97kcrs17b0mcqswx99280ni47j5yx8xa7nl3bdhm6325"))))
+    (build-system go-build-system)
+    (arguments
+     `(#:import-path "github.com/AQUAOSOTech/tarsplitter"
+       #:install-source? #f
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'install 'install-documentation
+           (lambda* (#:key import-path outputs #:allow-other-keys)
+             (let* ((source (string-append "src/" import-path))
+                    (out (assoc-ref outputs "out"))
+                    (doc (string-append out "/share/doc/" ,name "-" ,version)))
+               (with-directory-excursion source
+                 (install-file "README.md" doc))
+               #t))))))
+    (home-page "https://github.com/AQUAOSOTech/tarsplitter")
+    (synopsis "Multithreaded tar utility")
+    (description
+     "Archive huge numbers of files, or split massive tar archives into smaller
+chunks.")
+    (license license:expat)))
+
+(define-public c-blosc
+  (package
+    (name "c-blosc")
+    (version "1.18.1")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/Blosc/c-blosc.git")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1ywq8j70149859vvs19wgjq89d6xsvvmvm2n1dmkzpchxgrvnw70"))))
+    (build-system cmake-build-system)
+    (home-page "https://blosc.org")
+    (synopsis "Blocking, shuffling and lossless compression library")
+    (description
+     "Blosc is a high performance compressor optimized for binary data. It has
+been designed to transmit data to the processor cache faster than the
+traditional, non-compressed, direct memory fetch approach via a
+@code{memcpy()} system call.  Blosc is meant not only to reduce the size of
+large datasets on-disk or in-memory, but also to accelerate memory-bound
+computations.")
+    ;; Blosc itself is released under BSD-3 but it incorporates code under
+    ;; other non-copyleft licenses.
+    (license license:bsd-3)))
diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index 5c2e623705..c91b0ee75e 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -2,7 +2,7 @@
 ;;; Copyright © 2015, 2016, 2017, 2018, 2019, 2020 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2015 Andreas Enge <andreas@enge.fr>
 ;;; Copyright © 2016, 2017 Ben Woodcroft <donttrustben@gmail.com>
-;;; Copyright © 2016, 2017, 2018 Roel Janssen <roel@gnu.org>
+;;; Copyright © 2016, 2017, 2018, 2020 Roel Janssen <roel@gnu.org>
 ;;; Copyright © 2017, 2018, 2019, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2017 Raoul Bonnal <ilpuccio.febo@gmail.com>
 ;;; Copyright © 2018 Vijayalakshmi Vedantham <vijimay12@gmail.com>
@@ -83,6 +83,25 @@
   #:use-module (gnu packages web)
   #:use-module (gnu packages xorg))
 
+(define-public r-bezier
+  (package
+    (name "r-bezier")
+    (version "1.1.2")
+    (source (origin
+              (method url-fetch)
+              (uri (cran-uri "bezier" version))
+              (sha256
+               (base32
+                "1vw5128v8h973xwa1fdm9cw2jvrldj87nd55lddlp3qsz3ag4br6"))))
+    (build-system r-build-system)
+    (home-page "https://cran.r-project.org/web/packages/bezier/")
+    (synopsis "Bezier curve and spline toolkit")
+    (description
+     "This package is a toolkit for working with Bezier curves and splines.
+The package provides functions for point generation, arc length estimation,
+degree elevation and curve fitting.")
+    (license license:gpl2+)))
+
 (define-public r-clipr
   (package
     (name "r-clipr")
@@ -102,6 +121,36 @@
 the system clipboards.")
     (license license:gpl3)))
 
+(define-public r-ggpmisc
+  (package
+    (name "r-ggpmisc")
+    (version "0.3.4")
+    (source (origin
+              (method url-fetch)
+              (uri (cran-uri "ggpmisc" version))
+              (sha256
+               (base32
+                "0xc1yp0kphipq23ri4ij93garx1x2nrf4i0lhs6m10pp9yz7fbmj"))))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-broom" ,r-broom)
+       ("r-dplyr" ,r-dplyr)
+       ("r-ggplot2" ,r-ggplot2)
+       ("r-gridextra" ,r-gridextra)
+       ("r-lubridate" ,r-lubridate)
+       ("r-mass" ,r-mass)
+       ("r-plyr" ,r-plyr)
+       ("r-polynom" ,r-polynom)
+       ("r-splus2r" ,r-splus2r)
+       ("r-tibble" ,r-tibble)
+       ("r-xts" ,r-xts)
+       ("r-zoo" ,r-zoo)))
+    (home-page "https://www.r4photobiology.info/")
+    (synopsis "Miscellaneous Extensions to @code{ggplot2}")
+    (description "This package provides extensions to @code{ggplot2},
+respecting the grammar of its graphics paradigm.")
+    (license license:gpl2+)))
+
 (define-public r-oenb
   (package
     (name "r-oenb")
@@ -177,6 +226,30 @@ legends.")
 control over dimensions and appearance.")
     (license license:gpl2+)))
 
+(define-public r-ecp
+  (package
+    (name "r-ecp")
+    (version "3.1.2")
+    (source (origin
+              (method url-fetch)
+              (uri (cran-uri "ecp" version))
+              (sha256
+               (base32
+                "11f9p869xr0zg779i46gmflxlq4xclk9wxbab0nj2fan26pn4sfy"))))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-rcpp" ,r-rcpp)))
+    (home-page "https://cran.r-project.org/web/packages/ecp/")
+    (synopsis "Multiple change-point analysis of multivariate data")
+    (description
+     "This package implements various procedures for finding multiple
+change-points.  Two methods make use of dynamic programming and pruning, with
+no distributional assumptions other than the existence of certain absolute
+moments in one method.  Hierarchical and exact search methods are included.
+All methods return the set of estimated change-points as well as other summary
+information.")
+    (license license:gpl2+)))
+
 (define-public r-ellipsis
   (package
     (name "r-ellipsis")
@@ -449,6 +522,27 @@ small, reproducible, and runnable examples on code-oriented websites or email.
 such as copy/paste from an R session.")
     (license license:expat)))
 
+(define-public r-reordercluster
+  (package
+   (name "r-reordercluster")
+   (version "1.0")
+   (source (origin
+            (method url-fetch)
+            (uri (cran-uri "ReorderCluster" version))
+            (sha256
+             (base32
+              "0ss750frzvj0bm1w7zblmcsjpszhnbffwlkaw31sm003lbx9hy58"))))
+   (build-system r-build-system)
+   (propagated-inputs
+    `(("r-gplots" ,r-gplots)
+      ("r-rcpp" ,r-rcpp)))
+   (home-page "https://cran.r-project.org/web/packages/ReorderCluster")
+   (synopsis "Reordering the dendrogram according to the class labels")
+   (description "This package provides tools for performing the leaf reordering
+for the dendrogram that preserves the hierarchical clustering result and at the
+same time tries to group instances from the same class together.")
+   (license license:gpl3+)))
+
 (define-public r-callr
   (package
     (name "r-callr")
@@ -1027,13 +1121,13 @@ application framework for R, making it easy to create attractive dashboards.")
 (define-public r-shinyfiles
   (package
     (name "r-shinyfiles")
-    (version "0.7.5")
+    (version "0.8.0")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "shinyFiles" version))
        (sha256
-        (base32 "1143m941hma9hc77c3xcw26c0ygfhn9ii2sbp9wrydxv4gc7mr8a"))))
+        (base32 "0gwyx37f2r86cldsyknws9pafpj8g5mg3mchlyl9ymgnk5f4b88w"))))
     (properties `((upstream-name . "shinyFiles")))
     (build-system r-build-system)
     (propagated-inputs
@@ -1677,13 +1771,13 @@ processes.  Most of its code is based on the @code{psutil} Python package.")
 (define-public r-pkgbuild
   (package
     (name "r-pkgbuild")
-    (version "1.0.6")
+    (version "1.0.7")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "pkgbuild" version))
        (sha256
-        (base32 "0xnlz6ivhkbmncg9hfw5p69lm4rjy3wn5lyxmygxyf4rrfnnqwxx"))))
+        (base32 "0wd9678yp6yi73n92f58wi9jc19gdq5cmbj65l6pifh2haikifr9"))))
     (build-system r-build-system)
     (propagated-inputs
      `(("r-callr" ,r-callr)
@@ -1910,17 +2004,19 @@ multi-dimensional data.")
 (define-public r-powerlaw
   (package
     (name "r-powerlaw")
-    (version "0.70.4")
+    (version "0.70.6")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "poweRlaw" version))
        (sha256
-        (base32 "19zah9mx93az5lh9vicn3c8q1xb12g0w46dh5p901fbyimc32vwk"))))
+        (base32 "14d1myxllvm1grnfiszzzxaiqpb2jpmsi19wq70r8r2wki293h7g"))))
     (properties `((upstream-name . "poweRlaw")))
     (build-system r-build-system)
     (propagated-inputs
-     `(("r-vgam" ,r-vgam)))
+     `(("r-pracma" ,r-pracma)))
+    (native-inputs
+     `(("r-knitr" ,r-knitr)))
     (home-page "https://github.com/csgillespie/poweRlaw")
     (synopsis "Tools for the analysis of heavy tailed distributions")
     (description
@@ -2029,14 +2125,14 @@ any subsequent lookup as it keeps the hash table in memory.")
 (define-public r-ff
   (package
     (name "r-ff")
-    (version "2.2-14")
+    (version "2.2-14.2")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "ff" version))
        (sha256
         (base32
-         "1w724q4jpzbvzpilb2ifviaxkjgk9lzwxz9gksnvicbmfa20fqqw"))))
+         "1r1pbrf5s4rdm3msxxr8fy1f2xjihqciclsnvxf59qzz6g1nmh7q"))))
     (build-system r-build-system)
     (propagated-inputs `(("r-bit" ,r-bit)))
     (home-page "http://ff.r-forge.r-project.org/")
@@ -2176,14 +2272,14 @@ plot networks.")
 (define-public r-proxy
   (package
     (name "r-proxy")
-    (version "0.4-23")
+    (version "0.4-24")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "proxy" version))
        (sha256
         (base32
-         "17b6qfllqrhzrxqgx7dccffgybnkcria5a68ap5ly3plg04ypm4x"))))
+         "0z4wdnpv5x135nssxnmkkba7fivd5xgbpaabqjkl2na76vq9pzwc"))))
     (build-system r-build-system)
     (home-page "https://cran.r-project.org/web/packages/proxy")
     (synopsis "Distance and similarity measures")
@@ -2293,14 +2389,14 @@ quantile mixture from L-moments and trimmed L-moments.")
 (define-public r-distillery
   (package
     (name "r-distillery")
-    (version "1.0-6")
+    (version "1.0-7")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "distillery" version))
        (sha256
         (base32
-         "1mi3ig9jq0kd7yrwc5m37lmrw04p1b4lirnbsxi10z3n5yay4429"))))
+         "0w72vb3p51m0hwms9icwgy1xg3dplmpjrxibl2s92lpdrv737249"))))
     (build-system r-build-system)
     (home-page "https://ral.ucar.edu/staff/ericg/")
     (synopsis "Functions for confidence intervals and object information")
@@ -2400,6 +2496,27 @@ and S4 methods with inlined C, C++ or Fortran code supporting @code{.C} and
     ;; Any version of the LGPL.
     (license license:lgpl3+)))
 
+(define-public r-inum
+  (package
+    (name "r-inum")
+    (version "1.0-1")
+    (source (origin
+              (method url-fetch)
+              (uri (cran-uri "inum" version))
+              (sha256
+               (base32
+                "16d09391l65w557dkzhhx1aqn1ljamcmjj3yh42pwq037k0r8brw"))))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-libcoin" ,r-libcoin)))
+    (home-page "https://cran.r-project.org/web/packages/inum/")
+    (synopsis "Interval and enum-type representation of vectors")
+    (description
+     "This package provides an enum-type representation of vectors and
+representation of intervals, including a method of coercing variables
+in data frames.")
+    (license license:gpl2)))
+
 (define-public r-bdsmatrix
   (package
     (name "r-bdsmatrix")
@@ -3105,14 +3222,14 @@ by base R methods related to model fitting.")
 (define-public r-broom
   (package
     (name "r-broom")
-    (version "0.5.5")
+    (version "0.5.6")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "broom" version))
        (sha256
         (base32
-         "0n7zd64263kfavdi28rl2bxrsa00c3m4vjhhjdrfwvvmrcxj39fx"))))
+         "0da3jsb02xckrk6alznicn6l5lnyvdhc64qklyarnd77miqgc1hb"))))
     (build-system r-build-system)
     (propagated-inputs
      `(("r-backports" ,r-backports)
@@ -3124,6 +3241,8 @@ by base R methods related to model fitting.")
        ("r-stringr" ,r-stringr)
        ("r-tibble" ,r-tibble)
        ("r-tidyr" ,r-tidyr)))
+    (native-inputs
+     `(("r-knitr" ,r-knitr)))
     (home-page "https://github.com/tidyverse/broom")
     (synopsis "Convert statistical analysis objects into tidy data frames")
     (description
@@ -3926,14 +4045,14 @@ timeout.  It can also poll several processes at once.")
 (define-public r-tsp
   (package
     (name "r-tsp")
-    (version "1.1-9")
+    (version "1.1-10")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "TSP" version))
        (sha256
         (base32
-         "183m6crb0dv17llj86059n3hbgsahbhfcqlx0ijdzkssg11i1cy7"))))
+         "0z1v6m0vqjzxc4az3zyjaayygx0jr3mdmc56jjd421iqh0b9z5s4"))))
     (properties `((upstream-name . "TSP")))
     (build-system r-build-system)
     (propagated-inputs `(("r-foreach" ,r-foreach)))
@@ -4195,14 +4314,14 @@ terminals.")
 (define-public r-tinytex
   (package
     (name "r-tinytex")
-    (version "0.21")
+    (version "0.22")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "tinytex" version))
        (sha256
         (base32
-         "088zzc2v0izbcs45p19v547pi78vkr08ibpvvi1g9bkbya4x3mq9"))))
+         "0s9f62v3ps5f8903ar6kxlf1z3b4v78vlw1nb05bq55dgj8brg3b"))))
     (build-system r-build-system)
     (propagated-inputs
      `(("r-xfun" ,r-xfun)))
@@ -6456,14 +6575,14 @@ other add-on packages.")
 (define-public r-insight
   (package
     (name "r-insight")
-    (version "0.8.2")
+    (version "0.8.3")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "insight" version))
        (sha256
         (base32
-         "0fjf7dwpv1a7qfbzixppg348z1ksq19kdjm08vcb2am7w0k3plcj"))))
+         "0lm5a4r368mq1pwmxjk2xnz25lb9j4v7mdkl1bahk2alklxgb8yj"))))
     (build-system r-build-system)
     (native-inputs
      `(("r-knitr" ,r-knitr)))
@@ -6965,14 +7084,14 @@ bootstrap.  Confidence intervals can be computed for (p)AUC or ROC curves.")
 (define-public r-rootsolve
   (package
     (name "r-rootsolve")
-    (version "1.8.2")
+    (version "1.8.2.1")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "rootSolve" version))
        (sha256
         (base32
-         "0rj7c4zcrzgz7sb0vgvh7swpfafnw4040cxp7ypas3s8fnihn54l"))))
+         "0c9hhgq1pgqdg80a6n2ssfbj5nyaf97y4iiya7j7l6b34qc53128"))))
     (properties `((upstream-name . "rootSolve")))
     (build-system r-build-system)
     (native-inputs `(("gfortran" ,gfortran)))
@@ -7313,14 +7432,14 @@ used to teach mathematics, statistics, computation and modeling.")
 (define-public r-raster
   (package
     (name "r-raster")
-    (version "3.0-12")
+    (version "3.1-5")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "raster" version))
        (sha256
         (base32
-         "0rrbsigkqxsdic8fly6nrsc79zsliwvr1x2b4xqpl9d34vr50dvg"))))
+         "010sq00ijpmwac280ip9rryw0pxk0al8g675v2lc9rdrbgaj4rnv"))))
     (build-system r-build-system)
     (propagated-inputs
      `(("r-rcpp" ,r-rcpp)
@@ -8324,14 +8443,14 @@ Hothorn, Westfall, 2010, CRC Press).")
 (define-public r-emmeans
   (package
     (name "r-emmeans")
-    (version "1.4.5")
+    (version "1.4.6")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "emmeans" version))
        (sha256
         (base32
-         "10fmvmd6q4zjr6b18hhc85mwrzv778qzj6lwl9kbs2fsfvsgw7mm"))))
+         "0mxk7ghlv4r6sna4897q1la2xgyn1dw3r9srhm9x4h5l4701avfa"))))
     (build-system r-build-system)
     (propagated-inputs
      `(("r-estimability" ,r-estimability)
@@ -8339,6 +8458,8 @@ Hothorn, Westfall, 2010, CRC Press).")
        ("r-numderiv" ,r-numderiv)
        ("r-plyr" ,r-plyr)
        ("r-xtable" ,r-xtable)))
+    (native-inputs
+     `(("r-knitr" ,r-knitr)))
     (home-page "https://github.com/rvlenth/emmeans")
     (synopsis "Estimated marginal means, aka least-squares means")
     (description
@@ -8557,14 +8678,14 @@ differentiation.")
 (define-public r-bayestestr
   (package
     (name "r-bayestestr")
-    (version "0.5.3")
+    (version "0.6.0")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "bayestestR" version))
        (sha256
         (base32
-         "1q24qh5p6bz4nbf4546kckh7d518x5pm1yhhbc8fwcnbca4kgqjz"))))
+         "0s7wdmk8avgaqk2b7fcf4bsh13isrkl1q4y7z2y8jhdagxxxnzd1"))))
     (properties `((upstream-name . "bayestestR")))
     (build-system r-build-system)
     (propagated-inputs
@@ -8611,14 +8732,14 @@ effects models and Bayesian models.")
 (define-public r-ggeffects
   (package
     (name "r-ggeffects")
-    (version "0.14.2")
+    (version "0.14.3")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "ggeffects" version))
        (sha256
         (base32
-         "1y3yfb07jrr6vkc8hk6rp52l70dj7042jvqgjzllslzy7hx2jhyw"))))
+         "06p80bgjhjknzlb4vs4n41i9n9vv5agncakl9f92zkaahgyzd6sd"))))
     (build-system r-build-system)
     (propagated-inputs
      `(("r-insight" ,r-insight)
@@ -8799,14 +8920,14 @@ terminals that do not support Unicode.")
 (define-public r-usethis
   (package
     (name "r-usethis")
-    (version "1.6.0")
+    (version "1.6.1")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "usethis" version))
        (sha256
         (base32
-         "12iyimqyza752anj29wpfisl8nz5r25kfcqbssybg24nb4wyy146"))))
+         "0vwxsnq615mwc706a4a71gyy0hmvnllbh249gzm7vl3ym5cr0cv0"))))
     (build-system r-build-system)
     (propagated-inputs
      `(("r-cli" ,r-cli)
@@ -9395,14 +9516,14 @@ Bioconductor packages.")
 (define-public r-rgl
   (package
     (name "r-rgl")
-    (version "0.100.50")
+    (version "0.100.54")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "rgl" version))
        (sha256
         (base32
-         "165p932ml7dpjkm41zc47p5cdxar69il0m5yvg0avi8q01vr17ay"))))
+         "1mgs2d8igmcdzzymfwbqdrypmaidd4pra5n5gnhsn9pm6pqzidqp"))))
     (build-system r-build-system)
     (native-inputs
      `(("pkg-config" ,pkg-config)))
@@ -9534,14 +9655,14 @@ features (e.g. local modes).")
 (define-public r-arm
   (package
     (name "r-arm")
-    (version "1.10-1")
+    (version "1.11-1")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "arm" version))
        (sha256
         (base32
-         "0vvp90jygajd6ydky57z66wqjq9msfbl88irj5jbsray574mh4bg"))))
+         "0i2lnm09bqy1qw0ms5pw0rzw196xmnk5dxha3g8lc58lqpldp0kv"))))
     (build-system r-build-system)
     (propagated-inputs
      `(("r-abind" ,r-abind)
@@ -11478,14 +11599,14 @@ library.")
 (define-public r-protviz
   (package
     (name "r-protviz")
-    (version "0.6.3")
+    (version "0.6.4")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "protViz" version))
        (sha256
         (base32
-         "1ldciqh3f43xr9663yyhd9r6qwrg4c4vmkprlcancbnd460wakg7"))))
+         "1qq9bf4485x8cviry9fmhnv4hw9aw657w134003myzcv42c4pml6"))))
     (properties `((upstream-name . "protViz")))
     (build-system r-build-system)
     (propagated-inputs `(("r-rcpp" ,r-rcpp)))
@@ -11528,14 +11649,14 @@ JASA, 94:496-509.")
 (define-public r-etm
   (package
     (name "r-etm")
-    (version "1.0.5.1")
+    (version "1.1")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "etm" version))
        (sha256
         (base32
-         "0m41pm277sd50pharigcqzr1a2g92wnmdf6fcab6fx16ia2fzrm7"))))
+         "02yvh473l5qajaymhsxwb235a9r7q3nsig9a9mrfca68xih8yvgd"))))
     (build-system r-build-system)
     (propagated-inputs
      `(("r-data-table" ,r-data-table)
@@ -11736,14 +11857,14 @@ them in distributed compute environments.")
 (define-public r-future
   (package
     (name "r-future")
-    (version "1.16.0")
+    (version "1.17.0")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "future" version))
        (sha256
         (base32
-         "1xaqh0b2knf5bp23mc0kriq0iqhqna31q3b7d960piqjhzrb03dm"))))
+         "0d4y7gwcgqx2z0y6h5bh4lrz0m7b0inii5cjcq0kk8za762bi8rg"))))
     (build-system r-build-system)
     (propagated-inputs
      `(("r-digest" ,r-digest)
@@ -11768,14 +11889,14 @@ the local machine to, say, distributed processing on a remote compute cluster.")
 (define-public r-future-apply
   (package
     (name "r-future-apply")
-    (version "1.4.0")
+    (version "1.5.0")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "future.apply" version))
        (sha256
         (base32
-         "1kgq6dv96hdy35kysqkn606nj7s9dp4ibgpm6n46gqhc5n75lzkk"))))
+         "095a681ngbwbp7v53ladwya7ar8fgwnlgr3r1yklf3vdxwd54xll"))))
     (properties `((upstream-name . "future.apply")))
     (build-system r-build-system)
     (propagated-inputs
@@ -13234,14 +13355,14 @@ tessellation.")
 (define-public r-sf
   (package
     (name "r-sf")
-    (version "0.9-1")
+    (version "0.9-2")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "sf" version))
        (sha256
         (base32
-         "1qghrskqwwlwxmmvkv7knhlr1a32ngyimycasy5gfazgviljsfn4"))))
+         "01xplgy5nlwy3ajfch4h1ssa1xhm7q0jzscpz04dmvgqfzwhhdfh"))))
     (build-system r-build-system)
     (inputs
      `(("gdal" ,gdal)
@@ -13730,17 +13851,19 @@ authoring books and technical documents with R Markdown.")
 (define-public r-optparse
   (package
     (name "r-optparse")
-    (version "1.6.4")
+    (version "1.6.6")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "optparse" version))
        (sha256
         (base32
-         "0wyrc42ja3ab5szx46zmz8lm7vzfqxkjca0m0sms8g9hqbmmay6d"))))
+         "1l301dy3gc8pn7j00awcjh41wmc1ks9kswak255kbsa6f54rsxsi"))))
     (build-system r-build-system)
     (propagated-inputs
      `(("r-getopt" ,r-getopt)))
+    (native-inputs
+     `(("r-knitr" ,r-knitr)))
     (home-page "https://github.com/trevorld/optparse")
     (synopsis "Command line option parser")
     (description
@@ -14900,18 +15023,19 @@ external dependencies.  This package has is implemented purely in R.")
 (define-public r-rex
   (package
     (name "r-rex")
-    (version "1.1.2")
+    (version "1.2.0")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "rex" version))
        (sha256
         (base32
-         "0alsadgjgass3wr8y5d247j12qqzg454sc84vpskclrkmz778g5x"))))
+         "0m7bq8db3m5dhf01rw7xc7xy1ciq3m7dfgsl80p8cy4h8vqr3d06"))))
     (build-system r-build-system)
     (propagated-inputs
-     `(("r-lazyeval" ,r-lazyeval)
-       ("r-magrittr" ,r-magrittr)))
+     `(("r-lazyeval" ,r-lazyeval)))
+    (native-inputs
+     `(("r-knitr" ,r-knitr)))
     (home-page "https://github.com/kevinushey/rex")
     (synopsis "Friendly regular expressions")
     (description
@@ -15242,20 +15366,89 @@ engine (Salmon et al., 2011) as provided by the package @code{sitmo}.")
     ;; whole is distributed under the terms of the AGPL 3.
     (license license:agpl3)))
 
+(define-public r-ingredients
+  (package
+    (name "r-ingredients")
+    (version "1.2.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "ingredients" version))
+       (sha256
+        (base32
+         "1q196y9xzn4wk44fa1bvh0hcbizgm93rwir82nyk31k5pgixk967"))))
+    (properties `((upstream-name . "ingredients")))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-ggplot2" ,r-ggplot2)
+       ("r-gridextra" ,r-gridextra)
+       ("r-scales" ,r-scales)))
+    (native-inputs `(("r-knitr" ,r-knitr)))
+    (home-page "https://ModelOriented.github.io/ingredients/")
+    (synopsis "Effects and importances of model ingredients")
+    (description
+     "This is a collection of tools for assessment of feature importance and
+feature effects.  Key functions are:
+
+@itemize
+@item @code{feature_importance()} for assessment of global level feature
+  importance,
+@item @code{ceteris_paribus()} for calculation of the what-if plots,
+@item @code{partial_dependence()} for partial dependence plots,
+@item @code{conditional_dependence()} for conditional dependence plots,
+@item @code{accumulated_dependence()} for accumulated local effects plots,
+@item @code{aggregate_profiles()} and @code{cluster_profiles()} for
+  aggregation of ceteris paribus profiles,
+@item generic @code{print()} and @code{plot()} for better usability of
+  selected explainers,
+@item generic @code{plotD3()} for interactive, D3 based explanations, and
+@item generic @code{describe()} for explanations in natural language.
+@end itemize\n")
+    (license license:gpl3)))
+
+(define-public r-ibreakdown
+  (package
+    (name "r-ibreakdown")
+    (version "1.2.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "iBreakDown" version))
+       (sha256
+        (base32
+         "0y4zjpyn8j76jrs5phjzs5lfq3lqjspmrwcksqv9wq0rbdgh14vk"))))
+    (properties `((upstream-name . "iBreakDown")))
+    (build-system r-build-system)
+    (propagated-inputs `(("r-ggplot2" ,r-ggplot2)))
+    (native-inputs `(("r-knitr" ,r-knitr)))
+    (home-page "https://ModelOriented.github.io/iBreakDown/")
+    (synopsis "Model agnostic instance level variable attributions")
+    (description
+     "This package provides a model agnostic tool for decomposition of
+predictions from black boxes.  It supports additive attributions and
+attributions with interactions.  The Break Down Table shows contributions of
+every variable to a final prediction.  The Break Down Plot presents variable
+contributions in a concise graphical way.  This package works for
+classification and regression models.")
+    (license license:gpl3)))
+
 (define-public r-dalex
   (package
     (name "r-dalex")
-    (version "1.0.1")
+    (version "1.2.1")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "DALEX" version))
        (sha256
         (base32
-         "1jbyn57vn6d281a5y15h5d8ljin8cdb9lr7lbgggc950blyfv4g0"))))
+         "0lx8nasm1zgh1ckz8nw3ysp6xjv3dsj39hzhr6k3xhh6i8pm9rxk"))))
     (properties `((upstream-name . "DALEX")))
     (build-system r-build-system)
-    (propagated-inputs `(("r-ggplot2" ,r-ggplot2)))
+    (propagated-inputs
+     `(("r-ggplot2" ,r-ggplot2)
+       ("r-ibreakdown" ,r-ibreakdown)
+       ("r-ingredients" ,r-ingredients)))
     (home-page "https://pbiecek.github.io/DALEX/")
     (synopsis "Descriptive machine learning explanations")
     (description
@@ -15317,14 +15510,14 @@ includes data sets from oceanography.")
 (define-public r-ggfortify
   (package
     (name "r-ggfortify")
-    (version "0.4.9")
+    (version "0.4.10")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "ggfortify" version))
        (sha256
         (base32
-         "1p6knrbyaynaqwd939w09hpf1zz1gn95cb46sfgppl8l98krb2h5"))))
+         "0wmcwp63h90v3f00ixszvis4z28im621jickvc0wgi6qvjvnayq0"))))
     (build-system r-build-system)
     (propagated-inputs
      `(("r-dplyr" ,r-dplyr)
@@ -15833,22 +16026,22 @@ both R code and compiled C/C++/FORTRAN code.")
 (define-public r-systemfonts
   (package
     (name "r-systemfonts")
-    (version "0.1.1")
+    (version "0.2.1")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "systemfonts" version))
        (sha256
         (base32
-         "0m0ljid683xcam2f14x7k2zv1yx4npac38a3gfv11vhxfbnpgp0z"))))
+         "0dna00xai0pw76b4830yy4r5j1hq7f7kla67v0iz39cjm4rq4ygq"))))
     (properties `((upstream-name . "systemfonts")))
     (build-system r-build-system)
     (inputs
      `(("fontconfig" ,fontconfig)
-       ("freetype" ,freetype)
        ("zlib" ,zlib)))
     (native-inputs
-     `(("pkg-config" ,pkg-config)))
+     `(("pkg-config" ,pkg-config)
+       ("r-knitr" ,r-knitr)))
     (home-page "https://github.com/r-lib/systemfonts")
     (synopsis "System native font finding")
     (description
@@ -15862,14 +16055,14 @@ be used further by e.g. graphic devices.")
 (define-public r-graphlayouts
   (package
     (name "r-graphlayouts")
-    (version "0.6.0")
+    (version "0.7.0")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "graphlayouts" version))
        (sha256
         (base32
-         "1la016m37kp79zk8p1yx9kaha8y6d4w52w39h0mzv1mfsi6d75w0"))))
+         "17lc75k8i3c696hfj44zj7j1a5sb0nap8spc5r98v7vd6xh4nii0"))))
     (properties `((upstream-name . "graphlayouts")))
     (build-system r-build-system)
     (propagated-inputs
@@ -16756,28 +16949,61 @@ for original research.  A variety of user defined options and formatting are
 included.")
     (license license:gpl3)))
 
+(define-public r-qgam
+  (package
+    (name "r-qgam")
+    (version "1.3.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "qgam" version))
+       (sha256
+        (base32
+         "0lks2cj0p7irp1i01756v1l7i26d7alax1fbkc20qd6wpz840fi7"))))
+    (properties `((upstream-name . "qgam")))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-doparallel" ,r-doparallel)
+       ("r-mgcv" ,r-mgcv)
+       ("r-plyr" ,r-plyr)
+       ("r-shiny" ,r-shiny)))
+    (native-inputs `(("r-knitr" ,r-knitr)))
+    (home-page "https://cran.r-project.org/web/packages/qgam/")
+    (synopsis "Smooth additive quantile regression models")
+    (description
+     "This package provides smooth additive quantile regression models, fitted
+using the methods of Fasiolo et al. (2017).  Differently from @code{quantreg},
+the smoothing parameters are estimated automatically by marginal loss
+minimization, while the regression coefficients are estimated using either
+PIRLS or Newton algorithm.  The learning rate is determined so that the
+Bayesian credible intervals of the estimated effects have approximately the
+correct coverage.  The main function is @code{qgam()} which is similar to
+@code{gam()} in the @code{mgcv} package, but fits non-parametric quantile
+regression models.")
+    (license license:gpl2+)))
+
 (define-public r-abtest
   (package
     (name "r-abtest")
-    (version "0.2.0")
+    (version "0.2.1")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "abtest" version))
        (sha256
         (base32
-         "1ky3cf827kj24bhcpk00v5zl5jdkii1gca0x81ay1cjkzfispgws"))))
+         "1zfd13d7dplawk24dbdr1ka8cbdp5w6sxb0zlm7k4dhvn6ksi8h0"))))
     (properties `((upstream-name . "abtest")))
     (build-system r-build-system)
     (propagated-inputs
      `(("r-matrix" ,r-matrix)
        ("r-mvtnorm" ,r-mvtnorm)
        ("r-plotrix" ,r-plotrix)
+       ("r-qgam" ,r-qgam)
        ("r-rcolorbrewer" ,r-rcolorbrewer)
        ("r-rcpp" ,r-rcpp)
        ("r-sn" ,r-sn)
-       ("r-truncnorm" ,r-truncnorm)
-       ("r-vgam" ,r-vgam)))
+       ("r-truncnorm" ,r-truncnorm)))
     (home-page "https://cran.r-project.org/web/packages/abtest/")
     (synopsis "Bayesian A/B testing")
     (description
@@ -18107,14 +18333,14 @@ actigraphy-measured activity counts data.")
 (define-public r-fda
   (package
     (name "r-fda")
-    (version "2.4.8.1")
+    (version "5.1.4")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "fda" version))
        (sha256
         (base32
-         "0g50kj1dx7zarjv0lgwyzd2c7bv6di7nkndmywday5vjywgl8m7a"))))
+         "0js4ggl3aiwsqk6npwz72yhcznkb63smddds24ngf6a0p8yp5p2x"))))
     (properties `((upstream-name . "fda")))
     (build-system r-build-system)
     (propagated-inputs
@@ -18569,14 +18795,14 @@ functions.")
 (define-public r-univoutl
   (package
     (name "r-univoutl")
-    (version "0.1-5")
+    (version "0.2")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "univOutl" version))
        (sha256
         (base32
-         "193wrpkvgmlrx43nag8w3ivrlqm37nm6g86wcvd3bgw3hchs70gi"))))
+         "0rlc3w7cx2hfxacpjs9kmjzv5p8v9wxnlpxi3rh276wiy5zdr91v"))))
     (properties `((upstream-name . "univOutl")))
     (build-system r-build-system)
     (propagated-inputs
@@ -19513,17 +19739,20 @@ character codes as well as the UN M.49 area codes.")
 (define-public r-stopwords
   (package
     (name "r-stopwords")
-    (version "1.0")
+    (version "2.0")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "stopwords" version))
        (sha256
         (base32
-         "1nmi0bpd0c238g5b8ch1v034m5ng9llhs519cgxdrj3sh9fplwlv"))))
+         "155g00ansyqfpp1mzd2q6mn0k214xinf78nww2368h24kz761jjw"))))
     (properties `((upstream-name . "stopwords")))
     (build-system r-build-system)
-    (propagated-inputs `(("r-isocodes" ,r-isocodes)))
+    (propagated-inputs
+     `(("r-desc" ,r-desc)
+       ("r-isocodes" ,r-isocodes)
+       ("r-usethis" ,r-usethis)))
     (home-page "https://github.com/quanteda/stopwords")
     (synopsis "Multilingual stopword lists")
     (description
@@ -19627,14 +19856,14 @@ machine learning, visually representing text and text analyses, and more.")
 (define-public r-topicmodels
   (package
     (name "r-topicmodels")
-    (version "0.2-9")
+    (version "0.2-11")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "topicmodels" version))
        (sha256
         (base32
-         "1757r5x8bsl4dk106xg6481mvdkdz9vwg87n7rpbvdkavsvhyxs0"))))
+         "0jmp6wva99y0w40cfw7b0faylndhjam097x36ilc4vmyczcv89lw"))))
     (properties `((upstream-name . "topicmodels")))
     (build-system r-build-system)
     (native-inputs
@@ -19990,19 +20219,18 @@ estimate parameters given observed data.")
 (define-public r-kutils
   (package
     (name "r-kutils")
-    (version "1.69")
+    (version "1.70")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "kutils" version))
        (sha256
         (base32
-         "12pg26a85h0jxlfcyai68dbh4bq1gnq8v1ngi8k9qvafbrpc6gx8"))))
+         "06jk66wbq3jmdf2jdhqns6r3yk36l2x7c907x977zv80sqxa1l37"))))
     (properties `((upstream-name . "kutils")))
     (build-system r-build-system)
     (propagated-inputs
      `(("r-foreign" ,r-foreign)
-       ("r-lavaan" ,r-lavaan)
        ("r-openxlsx" ,r-openxlsx)
        ("r-plyr" ,r-plyr)
        ("r-runit" ,r-runit)
@@ -21404,3 +21632,40 @@ infinite-precision rational arithmetic.")
 Archive Toolkit.  Rxnat uses the XNAT REST API to perform data queries and
 download images.")
     (license license:gpl2)))
+
+(define-public r-rserve
+  (package
+    (name "r-rserve")
+    (version "1.8-6")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "http://www.rforge.net/Rserve/snapshot/Rserve_"
+                           version ".tar.gz"))
+       (sha256
+        (base32
+         "017kkzv9lxlz9qhg3gprrf1wcyflxrif6wjk27x9b4bdzylw6bsx"))))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-checkmate" ,r-checkmate)
+       ("r-mime" ,r-mime)
+       ("r-jsonlite" ,r-jsonlite)
+       ("r-knitr" ,r-knitr)
+       ("r-r6" ,r-r6)
+       ("r-rcpp" ,r-rcpp)
+       ("r-uuid" ,r-uuid)))
+    (inputs
+     `(("openssl" ,openssl)
+       ("zlib" ,zlib)))
+    (home-page "https://github.com/s-u/Rserve")
+    (synopsis
+     "Server providing access to R from many languages and systems")
+    (description
+     "Rserve acts as a socket server (TCP/IP or local sockets) which allows
+binary requests to be sent to R.  Every connection has a separate workspace
+and working directory.  Client-side implementations are available for popular
+languages such as C/C++ and Java, allowing any application to use facilities
+of R without the need of linking to R code.  Rserve supports remote
+connection, user authentication and file transfer.  A simple R client is
+included in this package as well.")
+    (license license:gpl2)))
diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index a42661e3f8..d318a05d71 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -6,6 +6,7 @@
 ;;; Copyright © 2019 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2019, 2020 John Soo <jsoo1@asu.edu>
 ;;; Copyright © 2020 Jakub Kądziołka <kuba@kadziolka.net>
+;;; Copyright © 2020 Leo Famulari <leo@famulari.name>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -40,6 +41,7 @@
   #:use-module (gnu packages python)
   #:use-module (gnu packages ssh)
   #:use-module (gnu packages tls)
+  #:use-module (gnu packages video)
   #:use-module (gnu packages version-control)
   #:use-module (gnu packages xml)
   #:use-module (gnu packages xorg))
@@ -72,8 +74,46 @@
 library in Rust.")
     (license license:expat)))
 
+(define-public rust-addr2line-0.11
+  (package
+    (name "rust-addr2line")
+    (version "0.11.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "addr2line" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0sk5g8cb2yynlcm0wcqff9l9c9ml69rqgfrrbii0ybgdc236jkhw"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:tests? #f      ; Not all test files included.
+       #:cargo-inputs
+       (("rust-rustc-demangle" ,rust-rustc-demangle-0.1)
+        ("rust-object" ,rust-object-0.17)
+        ("rust-fallible-iterator" ,rust-fallible-iterator-0.2)
+        ("rust-cpp-demangle" ,rust-cpp-demangle-0.2)
+        ("rust-gimli" ,rust-gimli-0.20)
+        ("rust-smallvec" ,rust-smallvec-1)
+        ("rust-lazycell" ,rust-lazycell-1.2))
+       #:cargo-development-inputs
+       (("rust-backtrace" ,rust-backtrace-0.3)
+        ("rust-clap" ,rust-clap-2)
+        ("rust-findshlibs" ,rust-findshlibs-0.5)
+        ("rust-memmap" ,rust-memmap-0.7)
+        ("rust-rustc-test" ,rust-rustc-test-0.3))))
+    (home-page "https://github.com/gimli-rs/addr2line")
+    (synopsis "Symbolication library written in Rust, using gimli")
+    (description
+     "This package provides a cross-platform symbolication library written in
+Rust, using gimli.")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-addr2line-0.9
   (package
+    (inherit rust-addr2line-0.11)
     (name "rust-addr2line")
     (version "0.9.0")
     (source
@@ -85,7 +125,6 @@ library in Rust.")
        (sha256
         (base32
          "17rlf04nx3g3rcy661v24ksnmpk6vqn680g5b5sp8lk20iih2xnx"))))
-    (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
@@ -100,15 +139,9 @@ library in Rust.")
        #:cargo-development-inputs
        (("rust-backtrace" ,rust-backtrace-0.3)
         ("rust-clap" ,rust-clap-2)
-        ("rust-findshlibs" ,rust-findshlibs-0.5)
+        ;("rust-findshlibs" ,rust-findshlibs-0.4)
         ("rust-memmap" ,rust-memmap-0.7)
-        ("rust-rustc-test" ,rust-rustc-test-0.3))))
-    (home-page "https://github.com/gimli-rs/addr2line")
-    (synopsis "Symbolication library written in Rust, using gimli")
-    (description
-     "This package provides a cross-platform symbolication library written in
-Rust, using gimli.")
-    (license (list license:asl2.0 license:expat))))
+        ("rust-rustc-test" ,rust-rustc-test-0.3))))))
 
 (define-public rust-adler32-1.0
   (package
@@ -136,6 +169,34 @@ the Rust programming language.")
     (license (list license:bsd-3
                    license:zlib))))
 
+(define-public rust-afl-0.5
+  (package
+    (name "rust-afl")
+    (version "0.5.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "afl" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0azpi917l8nhvx25n2v670nvkxkrhcwmddfi85qnr6kchmi6y946"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-rustc-version" ,rust-rustc-version-0.2)
+        ("rust-cc" ,rust-cc-1.0)
+        ("rust-xdg" ,rust-xdg-2.2)
+        ("rust-clap" ,rust-clap-2))))
+    (home-page "https://github.com/rust-fuzz/afl.rs")
+    (synopsis
+     "Fuzzing Rust code with american-fuzzy-lop")
+    (description
+     "Fuzz Rust code with american-fuzzy-lop.")
+    (license license:asl2.0)))
+
 (define-public rust-afl-0.4
   (package
     (name "rust-afl")
@@ -156,9 +217,6 @@ the Rust programming language.")
        (("rust-cc" ,rust-cc-1.0)
         ("rust-clap" ,rust-clap-2)
         ("rust-rustc-version" ,rust-rustc-version-0.2)
-        ("rust-xdg" ,rust-xdg-2.2))
-       #:cargo-development-inputs
-       (("rust-rustc-version" ,rust-rustc-version-0.2)
         ("rust-xdg" ,rust-xdg-2.2))))
     (home-page "https://github.com/rust-fuzz/afl.rs")
     (synopsis
@@ -170,7 +228,7 @@ the Rust programming language.")
 (define-public rust-aho-corasick-0.7
   (package
     (name "rust-aho-corasick")
-    (version "0.7.8")
+    (version "0.7.10")
     (source
      (origin
        (method url-fetch)
@@ -179,10 +237,10 @@ the Rust programming language.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "048q5vr1qac4lf90z80lw8kcya6qmlxw857xhwxsssk832jdafkl"))))
+         "1nka9509afjgal6lpymn8w2lq11dmjwxs8yjcmzys966if5l05l7"))))
     (build-system cargo-build-system)
     (arguments
-     `(#:cargo-inputs (("rust-memchr" ,rust-memchr-2.2))
+     `(#:cargo-inputs (("rust-memchr" ,rust-memchr-2.3))
        #:cargo-development-inputs
        (("rust-doc-comment" ,rust-doc-comment-0.3))))
     (home-page "https://github.com/BurntSushi/aho-corasick")
@@ -450,6 +508,44 @@ text or blue underlined text, on ANSI terminals.")
 @code{std::error::Error}.")
     (license (list license:expat license:asl2.0))))
 
+(define-public rust-aom-sys-0.1
+  (package
+    (name "rust-aom-sys")
+    (version "0.1.3")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "aom-sys" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0ix3djcf84kk53h6fac73n7jc614745n7kbmikxwi3s73b6vzgsr"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(;#:skip-build? #t
+       #:cargo-inputs
+       (("rust-bindgen" ,rust-bindgen-0.51)
+        ("rust-metadeps" ,rust-metadeps-1.1))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'set-environmental-variable
+           (lambda* (#:key inputs #:allow-other-keys)
+             (let ((clang (assoc-ref inputs "libclang")))
+               (setenv "LIBCLANG_PATH"
+                       (string-append clang "/lib")))
+             #t)))))
+    (native-inputs
+     `(("pkg-config" ,pkg-config)))
+    (inputs
+     `(("libaom" ,libaom)
+       ("libclang" ,clang)
+       ("llvm" ,llvm)))
+    (home-page "https://github.com/rust-av/aom-rs")
+    (synopsis "FFI bindings to aom")
+    (description "This package provides FFI bindings to aom.")
+    (license license:expat)))
+
 (define-public rust-approx-0.3
   (package
     (name "rust-approx")
@@ -492,6 +588,26 @@ text or blue underlined text, on ANSI terminals.")
          "153awzwywmb61xg857b80l63b1x6hifx2pha7lxf6fck9qxwraq8"))))
     (arguments '())))
 
+(define-public rust-arbitrary-0.2
+  (package
+    (name "rust-arbitrary")
+    (version "0.2.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "arbitrary" version))
+        (file-name
+          (string-append name "-" version ".tar.gz"))
+        (sha256
+          (base32
+            "1i3fhcdyjq4isn22xx2svmpfr5hwyzi0wavbm07fs8i2dv5pdkv4"))))
+    (build-system cargo-build-system)
+    (home-page "https://github.com/nagisa/rust_arbitrary/")
+    (synopsis "Trait for generating structured data from unstructured data")
+    (description
+     "The trait for generating structured data from unstructured data.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-arc-swap-0.4
   (package
     (name "rust-arc-swap")
@@ -547,6 +663,32 @@ text or blue underlined text, on ANSI terminals.")
         ("rust-proptest" ,rust-proptest-0.9)
         ("rust-version-sync" ,rust-version-sync-0.8))))))
 
+(define-public rust-arg-enum-proc-macro-0.3
+  (package
+    (name "rust-arg-enum-proc-macro")
+    (version "0.3.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "arg_enum_proc_macro" version))
+        (file-name
+          (string-append name "-" version ".tar.gz"))
+        (sha256
+          (base32
+            "021rr6j3n031ynfbm7kwb3j3bxvbsz40n0nqi78k47d3p92rihcv"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-proc-macro2" ,rust-proc-macro2-1.0)
+        ("rust-syn" ,rust-syn-1.0)
+        ("rust-quote" ,rust-quote-1.0))))
+    (home-page "https://github.com/lu-zero/arg_enum_proc_macro")
+    (synopsis "Procedural macro compatible with clap arg_enum")
+    (description
+     "This package provides a procedural macro compatible with clap's
+@code{arg_enum}.")
+    (license license:expat)))
+
 (define-public rust-argon2rs-0.2
   (package
     (name "rust-argon2rs")
@@ -638,7 +780,7 @@ ArrayVec and ArrayString.")
   (package
     (inherit rust-arrayvec-0.5)
     (name "rust-arrayvec")
-    (version "0.4.10")
+    (version "0.4.12")
     (source
      (origin
        (method url-fetch)
@@ -647,7 +789,7 @@ ArrayVec and ArrayString.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "0wcch3ca9qvkixgdbd2afrv1xa27l83vpraf7frsh9l8pivgpiwj"))))
+         "1fdiv5m627gh6flp4mpmi1mh647imm9x423licsr11psz97d97yd"))))
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
@@ -658,10 +800,38 @@ ArrayVec and ArrayString.")
         ("rust-matches" ,rust-matches-0.1)
         ("rust-serde-test" ,rust-serde-test-1.0))))))
 
+(define-public rust-ascii-1.0
+  (package
+    (name "rust-ascii")
+    (version "1.0.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "ascii" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0281gc828q4j692gb66jfdr5k16gyszgqflylh0pp30rllv63xdv"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-serde" ,rust-serde-1.0)
+        ("rust-serde-test" ,rust-serde-test-1.0))))
+    (home-page "https://github.com/tomprogrammer/rust-ascii")
+    (synopsis "ASCII-only equivalents to `char`, `str` and `String`.")
+    (description
+     "A rust library that provides ASCII-only string and character types,
+equivalent to the @code{char}, @code{str} and @code{String} types in the
+standard library.")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-ascii-0.9
   (package
+    (inherit rust-ascii-1.0)
     (name "rust-ascii")
-    (version "0.9.1")
+    (version "0.9.3")
     (source
      (origin
        (method url-fetch)
@@ -670,20 +840,12 @@ ArrayVec and ArrayString.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "0dck6rsjnxlczyjnncn8hf16bxj42m1vi6s2n32c1jg2ijd9dz55"))))
-    (build-system cargo-build-system)
+         "0km3zzkhrr22drf9p1zcblqirlxkdc7zra25acpi0h8qax5c1cga"))))
     (arguments
-     `(#:skip-build? #t
-       #:cargo-inputs
-       (("rust-quickcheck" ,rust-quickcheck-0.8)
+     `(#:cargo-inputs
+       (("rust-quickcheck" ,rust-quickcheck-0.6)
         ("rust-serde" ,rust-serde-1.0)
-        ("rust-serde-test" ,rust-serde-test-1.0))))
-    (home-page "https://github.com/tomprogrammer/rust-ascii")
-    (synopsis
-     "ASCII-only equivalents to char, str and String")
-    (description
-     "ASCII-only equivalents to @code{char}, @code{str} and @code{String}.")
-    (license (list license:expat license:asl2.0))))
+        ("rust-serde-test" ,rust-serde-test-1.0))))))
 
 (define-public rust-assert-matches-1.3
   (package
@@ -733,7 +895,7 @@ ArrayVec and ArrayString.")
 (define-public rust-atty-0.2
   (package
     (name "rust-atty")
-    (version "0.2.13")
+    (version "0.2.14")
     (source
       (origin
         (method url-fetch)
@@ -741,12 +903,13 @@ ArrayVec and ArrayString.")
         (file-name (string-append name "-" version ".crate"))
         (sha256
          (base32
-          "140sswp1bwqwc4zk80bxkbnfb3g936hgrb77g9g0k1zcld3wc0qq"))))
+          "1s7yslcs6a28c5vz7jwj63lkfgyx8mx99fdirlhi9lbhhzhrpcyr"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
-       (("rust-libc" ,rust-libc-0.2)
+       (("rust-hermit-abi" ,rust-hermit-abi-0.1)
+        ("rust-libc" ,rust-libc-0.2)
         ("rust-winapi" ,rust-winapi-0.3))))
     (home-page "https://github.com/softprops/atty")
     (synopsis "Simple interface for querying atty")
@@ -827,7 +990,7 @@ in Rust.")
 (define-public rust-backtrace-0.3
   (package
     (name "rust-backtrace")
-    (version "0.3.32")
+    (version "0.3.46")
     (source
      (origin
        (method url-fetch)
@@ -836,18 +999,18 @@ in Rust.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "1rgsaha3b6wxh564s4jqn5hl5pkmg214blyjjs1svafib190zd8q"))))
+         "17hh1vrhfd01qpjilrdpy7q0lf2j2qv36achpg37q92rff4r5rmi"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
-       (("rust-addr2line" ,rust-addr2line-0.9)
+       (("rust-addr2line" ,rust-addr2line-0.11)
         ("rust-backtrace-sys" ,rust-backtrace-sys-0.1)
         ("rust-cfg-if" ,rust-cfg-if-0.1)
         ("rust-compiler-builtins" ,rust-compiler-builtins-0.1)
         ("rust-cpp-demangle" ,rust-cpp-demangle-0.2)
         ("rust-findshlibs" ,rust-findshlibs-0.5)
-        ("rust-goblin" ,rust-goblin-0.0)
+        ("rust-goblin" ,rust-goblin-0.2)
         ("rust-libc" ,rust-libc-0.2)
         ("rust-memmap" ,rust-memmap-0.7)
         ("rust-rustc-demangle" ,rust-rustc-demangle-0.1)
@@ -866,7 +1029,7 @@ trace (backtrace) at runtime in a Rust program.")
 (define-public rust-backtrace-sys-0.1
   (package
     (name "rust-backtrace-sys")
-    (version "0.1.32")
+    (version "0.1.35")
     (source
       (origin
         (method url-fetch)
@@ -874,16 +1037,14 @@ trace (backtrace) at runtime in a Rust program.")
         (file-name (string-append name "-" version ".crate"))
         (sha256
          (base32
-          "14c406z8bdmms8a5l8cv79jfkz1mk10qk5p97izf4vai53qparax"))))
+          "066iviphi72mx9hd3njzsplk5v45jhi10mrccbbyij391ahsps3x"))))
     (build-system cargo-build-system)
     (arguments
-     `(#:skip-build? #t
-       #:cargo-inputs
+     `(#:cargo-inputs
        (("rust-libc" ,rust-libc-0.2)
         ("rust-compiler-builtins" ,rust-compiler-builtins-0.1)
-        ("rust-rustc-std-workspace-core" ,rust-rustc-std-workspace-core-1.0))
-       #:cargo-development-inputs
-       (("rust-cc" ,rust-cc-1.0))))
+        ("rust-rustc-std-workspace-core" ,rust-rustc-std-workspace-core-1.0)
+        ("rust-cc" ,rust-cc-1.0))))
     (home-page "https://github.com/rust-lang/backtrace-rs")
     (synopsis "Bindings to the libbacktrace gcc library")
     (description
@@ -983,8 +1144,64 @@ and no more (caveat: black_box is still missing!).")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-better-panic-0.2
+  (package
+    (name "rust-better-panic")
+    (version "0.2.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "better-panic" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0xl48v6pd9ys7wp0ni62i6q73xpd1nhf92z09sjc9n3lrj0ac4ix"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-backtrace" ,rust-backtrace-0.3)
+        ("rust-console" ,rust-console-0.9)
+        ("rust-syntect" ,rust-syntect-3.3))))
+    (home-page "https://github.com/mitsuhiko/better-panic")
+    (synopsis "Pretty backtraces inspired by Python's tracebacks")
+    (description
+     "This package provides pretty panic backtraces inspired by Python's
+tracebacks.")
+    (license (list license:expat license:asl2.0))))
+
+(define-public rust-bincode-1.2
+  (package
+    (name "rust-bincode")
+    (version "1.2.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "bincode" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1gvxm3n67xv1874fwxmnlircdlphlk1hcw75ykrrnw9l2nky4lsp"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-serde" ,rust-serde-1.0)
+        ("rust-byteorder" ,rust-byteorder-1.3))
+       #:cargo-development-inputs
+       (("rust-serde-bytes" ,rust-serde-bytes-0.11)
+        ("rust-serde-derive" ,rust-serde-derive-1.0))))
+    (home-page "https://github.com/servo/bincode")
+    (synopsis
+     "Binary serialization/deserialization strategy")
+    (description
+     "This package provides a binary serialization/deserialization strategy
+that uses Serde for transforming structs into bytes and vice versa!")
+    (license license:expat)))
+
 (define-public rust-bincode-1.1
   (package
+    (inherit rust-bincode-1.2)
     (name "rust-bincode")
     (version "1.1.4")
     (source
@@ -996,7 +1213,6 @@ and no more (caveat: black_box is still missing!).")
        (sha256
         (base32
          "1xx6bp39irvsndk6prnmmq8m1l9p6q2qj21j6mfks2y81pjsa14z"))))
-    (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
@@ -1005,19 +1221,105 @@ and no more (caveat: black_box is still missing!).")
         ("rust-serde" ,rust-serde-1.0))
        #:cargo-development-inputs
        (("rust-serde-bytes" ,rust-serde-bytes-0.11)
-        ("rust-serde-derive" ,rust-serde-derive-1.0))))
-    (home-page "https://github.com/servo/bincode")
+        ("rust-serde-derive" ,rust-serde-derive-1.0))))))
+
+(define-public rust-bindgen-0.52
+  (package
+    (name "rust-bindgen")
+    (version "0.52.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "bindgen" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0mzy2gjiaggl602yn4a11xzrxfj18kl7pwqa5yv32njkxd257j7i"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-shlex" ,rust-shlex-0.1)
+        ("rust-cfg-if" ,rust-cfg-if-0.1)
+        ("rust-peeking-take-while"
+         ,rust-peeking-take-while-0.1)
+        ("rust-clang-sys" ,rust-clang-sys-0.28)
+        ("rust-cexpr" ,rust-cexpr-0.3)
+        ("rust-log" ,rust-log-0.4)
+        ("rust-env-logger" ,rust-env-logger-0.7)
+        ("rust-proc-macro2" ,rust-proc-macro2-1.0)
+        ("rust-quote" ,rust-quote-1.0)
+        ("rust-rustc-hash" ,rust-rustc-hash-1.1)
+        ("rust-bitflags" ,rust-bitflags-1)
+        ("rust-lazycell" ,rust-lazycell-1.2)
+        ("rust-regex" ,rust-regex-1.3)
+        ("rust-lazy-static" ,rust-lazy-static-1)
+        ("rust-clap" ,rust-clap-2)
+        ("rust-which" ,rust-which-3.1))
+       #:cargo-development-inputs
+       (("rust-clap" ,rust-clap-2)
+        ("rust-diff" ,rust-diff-0.1)
+        ("rust-shlex" ,rust-shlex-0.1))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'set-environmental-variable
+           (lambda* (#:key inputs #:allow-other-keys)
+             (let ((clang (assoc-ref inputs "libclang")))
+               (setenv "LIBCLANG_PATH"
+                       (string-append clang "/lib")))
+             #t)))))
+    (inputs
+     `(("libclang" ,clang)))
+    (home-page "https://rust-lang.github.io/rust-bindgen/")
     (synopsis
-     "Binary serialization/deserialization strategy")
+     "Automatically generates Rust FFI bindings to C and C++ libraries")
     (description
-     "This package provides a binary serialization/deserialization strategy
-that uses Serde for transforming structs into bytes and vice versa!")
-    (license license:expat)))
+     "Automatically generates Rust FFI bindings to C and C++ libraries.")
+    (license license:bsd-3)))
+
+(define-public rust-bindgen-0.51
+  (package
+    (inherit rust-bindgen-0.52)
+    (name "rust-bindgen")
+    (version "0.51.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "bindgen" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0x9gndlnwmxsihxvsc3izyyss7g8b2djn0daafshj1gcy69i7mzb"))))
+    (arguments
+     `(#:cargo-inputs
+       (("rust-shlex" ,rust-shlex-0.1)
+        ("rust-cfg-if" ,rust-cfg-if-0.1)
+        ("rust-peeking-take-while"
+         ,rust-peeking-take-while-0.1)
+        ("rust-clang-sys" ,rust-clang-sys-0.28)
+        ("rust-cexpr" ,rust-cexpr-0.3)
+        ("rust-log" ,rust-log-0.4)
+        ("rust-env-logger" ,rust-env-logger-0.6)
+        ("rust-proc-macro2" ,rust-proc-macro2-1.0)
+        ("rust-quote" ,rust-quote-1.0)
+        ("rust-rustc-hash" ,rust-rustc-hash-1.1)
+        ("rust-bitflags" ,rust-bitflags-1)
+        ("rust-regex" ,rust-regex-1.3)
+        ("rust-lazy-static" ,rust-lazy-static-1)
+        ("rust-clap" ,rust-clap-2)
+        ("rust-which" ,rust-which-3.1))
+       #:cargo-development-inputs
+       (("rust-clap" ,rust-clap-2)
+        ("rust-diff" ,rust-diff-0.1)
+        ("rust-shlex" ,rust-shlex-0.1))))
+    (inputs `())))
 
 (define-public rust-bindgen-0.50
   (package
+    (inherit rust-bindgen-0.51)
     (name "rust-bindgen")
-    (version "0.50.0")
+    (version "0.50.1")
     (source
      (origin
        (method url-fetch)
@@ -1026,8 +1328,7 @@ that uses Serde for transforming structs into bytes and vice versa!")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "1k4n1d002vrfn1mlpww3ib7f275yn4rpxfwkqpr9bym27zg17ab5"))))
-    (build-system cargo-build-system)
+         "1fp98x0k4cawil3rqxsfrb58pq3mb5mn37rp745zxfmjfigml3nb"))))
     (arguments
      `(#:cargo-inputs
        (("rust-bitflags" ,rust-bitflags-1)
@@ -1041,22 +1342,49 @@ that uses Serde for transforming structs into bytes and vice versa!")
         ("rust-log" ,rust-log-0.4)
         ("rust-peeking-take-while" ,rust-peeking-take-while-0.1)
         ("rust-proc-macro2" ,rust-proc-macro2-0.4)
-        ("rust-quote" ,rust-quote-1.0)
+        ("rust-quote" ,rust-quote-0.6)
         ("rust-regex" ,rust-regex-1.1)
         ("rust-shlex" ,rust-shlex-0.1)
         ("rust-which" ,rust-which-2.0))
        #:cargo-development-inputs
        (("rust-clap" ,rust-clap-2)
         ("rust-diff" ,rust-diff-0.1)
-        ("rust-shlex" ,rust-shlex-0.1))))
-    (home-page
-     "https://rust-lang.github.io/rust-bindgen/")
-    (synopsis
-     "Automatically generates FFI bindings to C and C++ libraries")
-    (description
-     "Automatically generates Rust FFI bindings to C and C++
-libraries.")
-    (license license:bsd-3)))
+        ("rust-shlex" ,rust-shlex-0.1))))))
+
+(define-public rust-bindgen-0.37
+  (package
+    (inherit rust-bindgen-0.50)
+    (name "rust-bindgen")
+    (version "0.37.4")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "bindgen" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "08f2cyzr8fc027mzj2lhmn5j3w318g2ql7yfw5ngxa3yhy1an98v"))))
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-cfg-if" ,rust-cfg-if-0.1)
+        ("rust-peeking-take-while"
+         ,rust-peeking-take-while-0.1)
+        ("rust-cexpr" ,rust-cexpr-0.2)
+        ("rust-clang-sys" ,rust-clang-sys-0.23)
+        ("rust-proc-macro2" ,rust-proc-macro2-0.3)  ; 0.3.5
+        ("rust-log" ,rust-log-0.4)
+        ("rust-env-logger" ,rust-env-logger-0.5)
+        ("rust-quote" ,rust-quote-0.5)
+        ("rust-which" ,rust-which-1.0)
+        ("rust-regex" ,rust-regex-1.3)
+        ("rust-lazy-static" ,rust-lazy-static-1)
+        ("rust-clap" ,rust-clap-2))
+       #:cargo-development-inputs
+       (("rust-clap" ,rust-clap-2)
+        ("rust-diff" ,rust-diff-0.1)
+        ("rust-shlex" ,rust-shlex-0.1))))))
 
 (define-public rust-bindgen-0.33
   (package
@@ -1193,6 +1521,29 @@ behave like a set of bitflags.")
         (base32
          "0v8hh6wdkpk9my8z8442g4hqrqf05h0qj53dsay6mv18lqvqklda"))))))
 
+(define-public rust-bitstream-io-0.8
+  (package
+    (name "rust-bitstream-io")
+    (version "0.8.5")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "bitstream-io" version))
+        (file-name
+          (string-append name "-" version ".tar.gz"))
+        (sha256
+          (base32
+            "00a6wy54s1dmadm5xz8k2cbsd7ixvm48mlc45bk0fdy0pbra6jk1"))))
+    (build-system cargo-build-system)
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/tuffy/bitstream-io")
+    (synopsis
+      "Library for reading/writing un-aligned values from/to streams in big-endian and little-endian formats.")
+    (description
+      "Library for reading/writing un-aligned values from/to streams in big-endian and little-endian formats.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-blake2-0.8
   (package
     (name "rust-blake2")
@@ -1428,7 +1779,7 @@ Bresenham's line algorithm.")
 (define-public rust-bstr-0.2
   (package
     (name "rust-bstr")
-    (version "0.2.1")
+    (version "0.2.12")
     (source
      (origin
        (method url-fetch)
@@ -1437,7 +1788,7 @@ Bresenham's line algorithm.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "0prq6yk3da0k5bg2czcgg1i4ynsq1l59xc89ycsv6v7p08p5gh3c"))))
+         "0hazfback6i2k3vhhwyj8h46id3y58zxqh22pz46hj9r1zayd298"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
@@ -1567,6 +1918,34 @@ UTF-8.")
 in a byte slice, fast.")
     (license (list license:asl2.0 license:expat))))
 
+(define-public rust-bytecount-0.4
+  (package
+    (name "rust-bytecount")
+    (version "0.4.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "bytecount" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "13qpy38z5wx0rzcdvr2h0ixbfgi1dbrif068il3hwn3k2mah88mr"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-packed-simd" ,rust-packed-simd-0.3))
+       #:cargo-development-inputs
+       (("rust-criterion" ,rust-criterion-0.2)
+        ("rust-quickcheck" ,rust-quickcheck-0.6)
+        ("rust-rand" ,rust-rand-0.4))))
+    (home-page "https://github.com/llogiq/bytecount")
+    (synopsis "Counting bytes really fast")
+    (description
+     "This package counts occurrences of a given byte, or the number of UTF-8
+code points, in a byte slice, fast.")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-byteorder-1.3
   (package
     (name "rust-byteorder")
@@ -1910,6 +2289,64 @@ exposed as Reader/Writer streams.")
 capabilities")
     (license (list license:expat license:asl2.0))))
 
+(define-public rust-cargo-metadata-0.9
+  (package
+    (name "rust-cargo-metadata")
+    (version "0.9.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "cargo_metadata" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "00pjms89lghvizh4d55lz80hvrih9r55xv9m5wd9vcsgc163gqs6"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:tests? #f
+       #:cargo-inputs
+       (("rust-semver" ,rust-semver-0.9)
+        ("rust-serde" ,rust-serde-1.0)
+        ("rust-serde-derive" ,rust-serde-derive-1.0)
+        ("rust-serde-json" ,rust-serde-json-1.0))
+       #:cargo-development-inputs
+       (("rust-clap" ,rust-clap-2)
+        ("rust-docopt" ,rust-docopt-1.1)
+        ("rust-structopt" ,rust-structopt-0.2))))
+    (home-page "https://github.com/oli-obk/cargo_metadata")
+    (synopsis "Structured access to the output of `cargo metadata`")
+    (description
+     "This package provides structured access to the output of @code{cargo
+metadata}.")
+    (license license:expat)))
+
+(define-public rust-cargo-metadata-0.6
+  (package
+    (inherit rust-cargo-metadata-0.9)
+    (name "rust-cargo-metadata")
+    (version "0.6.4")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "cargo_metadata" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1givpi2w7iwqqnl87x5yc15zcm5hs6yw490sb6abkfp1h39v9lg5"))))
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-error-chain" ,rust-error-chain-0.12)
+        ("rust-semver" ,rust-semver-0.9)
+        ("rust-serde" ,rust-serde-1.0)
+        ("rust-serde-derive" ,rust-serde-derive-1.0)
+        ("rust-serde-json" ,rust-serde-json-1.0))
+       #:cargo-development-inputs
+       (;("rust-docopt" ,rust-docopt-0.8)
+        ("rust-clap" ,rust-clap-2))))))
+
 (define-public rust-cargon-0.0
   (package
     (name "rust-cargon")
@@ -1936,7 +2373,7 @@ used in argon2rs' bench suite.")
 (define-public rust-cast-0.2
   (package
     (name "rust-cast")
-    (version "0.2.2")
+    (version "0.2.3")
     (source
      (origin
        (method url-fetch)
@@ -1945,12 +2382,14 @@ used in argon2rs' bench suite.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "09yl2700crxa4n860b080msij25klvs1kfzazhp2aihchvr16q4j"))))
+         "1c5z7zryj0zwnhdgs6rw5dfvnlwc1vm19jzrlgx5055alnwk952b"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-rustc-version" ,rust-rustc-version-0.2))
        #:cargo-development-inputs
-       (("rust-quickcheck" ,rust-quickcheck-0.8))))
+       (("rust-quickcheck" ,rust-quickcheck-0.9))))
     (home-page "https://github.com/japaric/cast.rs")
     (synopsis
      "Ergonomic, checked cast functions for primitive types")
@@ -2012,7 +2451,7 @@ archive to be linked into Rustcode.")
 (define-public rust-cexpr-0.3
   (package
     (name "rust-cexpr")
-    (version "0.3.5")
+    (version "0.3.6")
     (source
      (origin
        (method url-fetch)
@@ -2021,7 +2460,7 @@ archive to be linked into Rustcode.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "1by64ini3f058pwad3immx5cc12wr0m0kwgaxa8apzym03mj9ym7"))))
+         "07fdfj4ff2974y33yixrb657riq9zl9b9h9lr0h7ridhhvxvbrgw"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
@@ -2197,7 +2636,7 @@ for computer graphics.")
 (define-public rust-chrono-0.4
   (package
     (name "rust-chrono")
-    (version "0.4.7")
+    (version "0.4.11")
     (source
      (origin
        (method url-fetch)
@@ -2206,23 +2645,26 @@ for computer graphics.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "1glam3iqhshbamzgf0npn7hgghski92r31lm7gg8841hnxc1zn3p"))))
+         "1cmmxamkzzs36zncqjjr7qm7xkb6zyrkjslnlj3axdgqki84y2c0"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
-       (("rust-libc" ,rust-libc-0.2)
-        ("rust-num-integer" ,rust-num-integer-0.1)
+       (("rust-num-integer" ,rust-num-integer-0.1)
         ("rust-num-traits" ,rust-num-traits-0.2)
+        ("rust-js-sys" ,rust-js-sys-0.3)
         ("rust-rustc-serialize" ,rust-rustc-serialize-0.3)
         ("rust-serde" ,rust-serde-1.0)
-        ("rust-time" ,rust-time-0.1))
+        ("rust-time" ,rust-time-0.1)
+        ("rust-wasm-bindgen" ,rust-wasm-bindgen-0.2))
        #:cargo-development-inputs
-       (("rust-bincode" ,rust-bincode-1.1)
+       (;("rust-bincode" ,rust-bincode-0.8)
+        ("rust-criterion" ,rust-criterion-0.2)
         ("rust-doc-comment" ,rust-doc-comment-0.3)
         ("rust-num-iter" ,rust-num-iter-0.1)
         ("rust-serde-derive" ,rust-serde-derive-1.0)
-        ("rust-serde-json" ,rust-serde-json-1.0))))
+        ("rust-serde-json" ,rust-serde-json-1.0)
+        ("rust-wasm-bindgen-test" ,rust-wasm-bindgen-test-0.2))))
     (home-page
      "https://github.com/chronotope/chrono")
     (synopsis "Date and time library for Rust")
@@ -2315,6 +2757,21 @@ for computer graphics.")
                        (string-append clang "/lib")))
              #t)))))))
 
+(define-public rust-clang-sys-0.23
+  (package
+    (inherit rust-clang-sys-0.26)
+    (name "rust-clang-sys")
+    (version "0.23.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "clang-sys" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1hjr333izzhs6bic84qwnyzy5xzmvasib8f3zkzj4ln3a97c1xyp"))))))
+
 (define-public rust-clang-sys-0.22
   (package
     (inherit rust-clang-sys-0.26)
@@ -2512,6 +2969,35 @@ pitfalls in Rust.")
      "Low level interface to CloudABI.  Contains all syscalls and related types.")
     (license license:bsd-2)))
 
+(define-public rust-cloudflare-zlib-sys-0.2
+  (package
+    (name "rust-cloudflare-zlib-sys")
+    (version "0.2.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "cloudflare-zlib-sys" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "01lwfd15ijw4d8jsqp87yv4wpmzcp84qm0qqwy3yxmm0fjr5q6by"))))
+    ;; This crate bundles cloudflare's fork of zlib, so we don't unbundle it.
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-cc" ,rust-cc-1.0))))
+    (home-page "https://github.com/cloudflare/zlib")
+    (synopsis
+     "Cloudflare fork of zlib with massive performance improvements")
+    (description
+     "Cloudflare fork of zlib with massive performance improvements.")
+    (license
+      (list license:expat
+            license:asl2.0
+            license:zlib))))
+
 (define-public rust-cmake-0.1
   (package
     (name "rust-cmake")
@@ -2602,12 +3088,42 @@ CMAKE environmental variable is set.")
      "Color quantization library to reduce n colors to 256 colors.")
     (license license:expat)))
 
+(define-public rust-colored-1.9
+  (package
+    (name "rust-colored")
+    (version "1.9.3")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "colored" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0nbc1czs512h1k696y7glv1kjrb2b914zpxraic6q5fgv80wizzl"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-atty" ,rust-atty-0.2)
+        ("rust-winapi" ,rust-winapi-0.3)
+        ("rust-lazy-static" ,rust-lazy-static-1))
+       #:cargo-development-inputs
+       (("rust-ansi-term" ,rust-ansi-term-0.12)
+        ;("rust-rspec" ,rust-rspec-1.0)
+        )))
+    (home-page "https://github.com/mackwic/colored")
+    (synopsis "Add colors in your terminal")
+    (description
+     "The most simple way to add colors in your terminal.")
+    (license license:mpl2.0)))
+
 ;; This package requires features which are unavailable
 ;; on the stable releases of Rust.
 (define-public rust-compiler-builtins-0.1
   (package
     (name "rust-compiler-builtins")
-    (version "0.1.23")
+    (version "0.1.26")
     (source
       (origin
         (method url-fetch)
@@ -2615,14 +3131,13 @@ CMAKE environmental variable is set.")
         (file-name (string-append name "-" version ".crate"))
         (sha256
          (base32
-          "0m8rfikg08av2plyp32drjfsv7i10nf2kwzajjjkvl13yhj9s5fn"))))
+          "1rhj6ccmfkh9gcxnxgjq4fg257yi4f9325nfzsphbmxwkrg06sq3"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
-       (("rust-rustc-std-workspace-core" ,rust-rustc-std-workspace-core-1.0))
-       #:cargo-development-inputs
-       (("rust-cc" ,rust-cc-1.0))))
+       (("rust-rustc-std-workspace-core" ,rust-rustc-std-workspace-core-1.0)
+        ("rust-cc" ,rust-cc-1.0))))
     (home-page "https://github.com/rust-lang/compiler-builtins")
     (synopsis "Compiler intrinsics used by the Rust compiler")
     (description
@@ -2711,6 +3226,36 @@ harness.")
         ("rust-rustc-serialize" ,rust-rustc-serialize-0.3)
         ("rust-tempdir" ,rust-tempdir-0.3))))))
 
+(define-public rust-console-0.9
+  (package
+    (name "rust-console")
+    (version "0.9.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "console" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1h765951c9mywff534f0191slazykmif4290g2yarcwhd2cg7q25"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-unicode-width" ,rust-unicode-width-0.1)
+        ("rust-libc" ,rust-libc-0.2)
+        ("rust-termios" ,rust-termios-0.3)
+        ("rust-encode-unicode" ,rust-encode-unicode-0.3)
+        ("rust-winapi" ,rust-winapi-0.3)
+        ("rust-clicolors-control" ,rust-clicolors-control-1.0)
+        ("rust-regex" ,rust-regex-1.3)
+        ("rust-lazy-static" ,rust-lazy-static-1))))
+    (home-page "https://github.com/mitsuhiko/console")
+    (synopsis "Terminal and console abstraction for Rust")
+    (description
+     "This package provides a terminal and console abstraction for Rust")
+    (license license:expat)))
+
 (define-public rust-console-0.7
   (package
     (name "rust-console")
@@ -3010,7 +3555,7 @@ intrinsics.")
 (define-public rust-cpp-demangle-0.2
   (package
     (name "rust-cpp-demangle")
-    (version "0.2.12")
+    (version "0.2.14")
     (source
      (origin
        (method url-fetch)
@@ -3019,17 +3564,17 @@ intrinsics.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "0a4hqsfc0sfdwy7pcr0rc1fjp2j47fxbkqfc2lfrbi4zlm5hq36k"))))
+         "1mm064x84868q06r4m4b7byf999nrkbhx7iyc4nchyssaxpsy5a1"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
        (("rust-afl" ,rust-afl-0.4)
-        ("rust-cfg-if" ,rust-cfg-if-0.1))
+        ("rust-cfg-if" ,rust-cfg-if-0.1)
+        ("rust-glob" ,rust-glob-0.3))
        #:cargo-development-inputs
        (("rust-clap" ,rust-clap-2)
-        ("rust-diff" ,rust-diff-0.1)
-        ("rust-glob" ,rust-glob-0.3))))
+        ("rust-diff" ,rust-diff-0.1))))
     (home-page "https://github.com/gimli-rs/cpp_demangle")
     (synopsis "Demangle C++ symbols")
     (description
@@ -3101,7 +3646,7 @@ intrinsics.")
 (define-public rust-criterion-0.3
   (package
     (name "rust-criterion")
-    (version "0.3.0")
+    (version "0.3.1")
     (source
      (origin
        (method url-fetch)
@@ -3110,7 +3655,7 @@ intrinsics.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "1iig7r9c6bkn5qb6axxkblc1amif6k49lix35rhqs728cphh71wk"))))
+         "1lgpr82rlmg6rm4gr3c3pla2xgxnakbf8w9sabjsig8jkikmbiqz"))))
     (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs
@@ -3122,15 +3667,14 @@ intrinsics.")
         ("rust-itertools" ,rust-itertools-0.8)
         ("rust-lazy-static" ,rust-lazy-static-1)
         ("rust-num-traits" ,rust-num-traits-0.2)
-        ("rust-rand-core" ,rust-rand-core-0.5)
-        ("rust-rand-os" ,rust-rand-os-0.2)
-        ("rust-rand-xoshiro" ,rust-rand-xoshiro-0.3)
-        ("rust-rayon" ,rust-rayon-1.1)
+        ("rust-oorandom" ,rust-oorandom-11.1)
+        ("rust-plotters" ,rust-plotters-0.2)
+        ("rust-rayon" ,rust-rayon-1.3)
         ("rust-serde" ,rust-serde-1.0)
         ("rust-serde-derive" ,rust-serde-derive-1.0)
         ("rust-serde-json" ,rust-serde-json-1.0)
         ("rust-tinytemplate" ,rust-tinytemplate-1.0)
-        ("rust-walkdir" ,rust-walkdir-2.2))
+        ("rust-walkdir" ,rust-walkdir-2.3))
        #:cargo-development-inputs
        (("rust-approx" ,rust-approx-0.3)
         ("rust-quickcheck" ,rust-quickcheck-0.9)
@@ -3478,7 +4022,7 @@ intrinsics.")
 (define-public rust-crossbeam-utils-0.7
   (package
     (name "rust-crossbeam-utils")
-    (version "0.7.0")
+    (version "0.7.2")
     (source
      (origin
        (method url-fetch)
@@ -3487,7 +4031,7 @@ intrinsics.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "1x1rn35q2v05qif14ijfg7800d3rf3ji2cg79awnacfw5jq6si6f"))))
+         "1a31wbrda1320gj2a6az1lin2d34xfc3xf88da4c17qy5lxcgiy3"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
@@ -3621,7 +4165,7 @@ Code} (MAC) algorithms.")
 (define-public rust-csv-1.1
   (package
     (name "rust-csv")
-    (version "1.1.0")
+    (version "1.1.3")
     (source
      (origin
        (method url-fetch)
@@ -3630,7 +4174,7 @@ Code} (MAC) algorithms.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "0qxvzq030hi915dszazv6a7f0apzzi7gn193ni0g2lzkawjxck55"))))
+         "0yd2z55m2pg4al4yng4nl2y7c9dw2v7yhg5ynihxyrmmd9zzxbq0"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
@@ -3672,7 +4216,7 @@ Code} (MAC) algorithms.")
 (define-public rust-csv-core-0.1
   (package
     (name "rust-csv-core")
-    (version "0.1.6")
+    (version "0.1.10")
     (source
      (origin
        (method url-fetch)
@@ -3681,11 +4225,11 @@ Code} (MAC) algorithms.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "0k5zs0x0qmmn27pa5kcg86lg84s29491fw5sh3zswxswnavasp4v"))))
+         "145wcc3560v1kmysqqspvddppiysr2rifqzy4nnlh3r6kxanc91b"))))
     (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs
-       (("rust-memchr" ,rust-memchr-2.2))
+       (("rust-memchr" ,rust-memchr-2.3))
        #:cargo-development-inputs
        (("rust-arrayvec" ,rust-arrayvec-0.4))))
     (home-page "https://github.com/BurntSushi/rust-csv")
@@ -3695,6 +4239,34 @@ Code} (MAC) algorithms.")
      "Bare bones CSV parsing with no_std support.")
     (license (list license:unlicense license:expat))))
 
+(define-public rust-ctor-0.1
+  (package
+    (name "rust-ctor")
+    (version "0.1.13")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "ctor" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1qgwkwyxishpp3wkbwq5i27zdxz539ii0sz129xj061ffnnfbia7"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-syn" ,rust-syn-1.0)
+        ("rust-quote" ,rust-quote-1.0))
+       ;#:cargo-development-inputs
+       ;(("rust-libc-print" ,rust-libc-print-0.1))
+       ))
+    (home-page "https://github.com/mmastrac/rust-ctor")
+    (synopsis "__attribute__((constructor)) for Rust")
+    (description
+     "This package provides an @code{__attribute__((constructor))} for Rust.")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-ctrlc-3.1
   (package
     (name "rust-ctrlc")
@@ -3862,6 +4434,43 @@ hexadecimal, base32, and base64.")
 and arithmetic.")
     (license license:expat)))
 
+(define-public rust-dav1d-sys-0.3
+  (package
+    (name "rust-dav1d-sys")
+    (version "0.3.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "dav1d-sys" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1022czzp3s54r42x6rhr870w1fwzyp7b6qn0zirpz55zmqjpgnwa"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-pkg-config" ,rust-pkg-config-0.3)
+        ("rust-bindgen" ,rust-bindgen-0.52)
+        ("rust-metadeps" ,rust-metadeps-1.1))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'set-environmental-variable
+           (lambda* (#:key inputs #:allow-other-keys)
+             (let ((clang (assoc-ref inputs "libclang")))
+               (setenv "LIBCLANG_PATH"
+                       (string-append clang "/lib")))
+             #t)))))
+    (inputs
+     `(("dav1d" ,dav1d)
+       ("pkg-config" ,pkg-config)
+       ("libclang" ,clang)
+       ("llvm" ,llvm)))
+    (home-page "https://github.com/rust-av/dav1d-rs")
+    (synopsis "FFI bindings to dav1d")
+    (description "FFI bindings to dav1d")
+    (license license:expat)))
+
 (define-public rust-decimal-2.0
   (package
     (name "rust-decimal")
@@ -4109,7 +4718,7 @@ Windows, and the Standard Directory guidelines on macOS.")
   (package
     (inherit rust-dirs-2.0)
     (name "rust-dirs")
-    (version "1.0.3")
+    (version "1.0.5")
     (source
       (origin
         (method url-fetch)
@@ -4117,11 +4726,12 @@ Windows, and the Standard Directory guidelines on macOS.")
         (file-name (string-append name "-" version ".crate"))
         (sha256
          (base32
-          "02vigc566z5i6n9wr2x8sch39qp4arn89xhhrh18fhpm3jfc0ygn"))))
+          "009rrhzj9pxyncmm2vhlj70npg0cgggv2hjbbkiwdl9vccq8kmrz"))))
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
        (("rust-libc" ,rust-libc-0.2)
+        ("rust-redox-users" ,rust-redox-users-0.3)
         ("rust-winapi" ,rust-winapi-0.3))))))
 
 (define-public rust-dirs-sys-0.3
@@ -4348,6 +4958,29 @@ from macros.")
 parameters, associated types, and type constraints.")
     (license (list license:expat license:asl2.0))))
 
+(define-public rust-draw-state-0.8
+  (package
+    (name "rust-draw-state")
+    (version "0.8.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "draw_state" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0lfng4fz9x7bwsmzv9r20ply10w0iid6vfcrhx292s6hw8vrbkrk"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-serde" ,rust-serde-1.0)
+        ("rust-bitflags" ,rust-bitflags-1))))
+    (home-page "https://github.com/gfx-rs/draw_state")
+    (synopsis "Graphics state blocks for gfx-rs")
+    (description "Graphics state blocks for gfx-rs.")
+    (license license:asl2.0)))
+
 (define-public rust-dtoa-0.4
   (package
     (name "rust-dtoa")
@@ -4494,7 +5127,7 @@ floating-point primitives to an @code{io::Write}.")
 (define-public rust-either-1.5
   (package
     (name "rust-either")
-    (version "1.5.2")
+    (version "1.5.3")
     (source
      (origin
        (method url-fetch)
@@ -4503,7 +5136,7 @@ floating-point primitives to an @code{io::Write}.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "0yyggfd5yq9hyyp0bd5jj0fgz3rwws42d19ri0znxwwqs3hcy9sm"))))
+         "1qyz1b1acad6w0k5928jw5zaq900zhsk7p8dlcp4hh61w4f6n7xv"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
@@ -4545,7 +5178,7 @@ inclusion of Windows resources in the most resilient fashion imaginable.")
 (define-public rust-encode-unicode-0.3
   (package
     (name "rust-encode-unicode")
-    (version "0.3.5")
+    (version "0.3.6")
     (source
      (origin
        (method url-fetch)
@@ -4554,12 +5187,12 @@ inclusion of Windows resources in the most resilient fashion imaginable.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "1g8a8pixkxz6r927f4sc4r15qyc0szxdxb1732v8q7h0di4wkclh"))))
+         "07w3vzrhxh9lpjgsg2y5bwzfar2aq35mdznvcp3zjl0ssj7d4mx3"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
-       (("rust-ascii" ,rust-ascii-0.9)
+       (("rust-ascii" ,rust-ascii-1.0)
         ("rust-clippy" ,rust-clippy-0.0))
        #:cargo-development-inputs
        (("rust-lazy-static" ,rust-lazy-static-1))))
@@ -4946,7 +5579,7 @@ is configured via an environment variable.")
 (define-public rust-erased-serde-0.3
   (package
     (name "rust-erased-serde")
-    (version "0.3.9")
+    (version "0.3.11")
     (source
      (origin
        (method url-fetch)
@@ -4955,14 +5588,14 @@ is configured via an environment variable.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "0q7bnxs5zskfq5iillig55g7891dllcxh2p8y8k1p2j72syf9viv"))))
+         "1lgkpkk7nx6f24gmr3psyj8d2avc9701r9jyw1i4ssp10lbnv2yq"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
        (("rust-serde" ,rust-serde-1.0))
        #:cargo-development-inputs
-       (("rust-serde-cbor" ,rust-serde-cbor-0.10)
+       (;("rust-serde-cbor" ,rust-serde-cbor-0.9)
         ("rust-serde-derive" ,rust-serde-derive-1.0)
         ("rust-serde-json" ,rust-serde-json-1.0))))
     (home-page "https://github.com/dtolnay/erased-serde")
@@ -4971,6 +5604,37 @@ is configured via an environment variable.")
      "Type-erased Serialize and Serializer traits.")
     (license (list license:asl2.0 license:expat))))
 
+(define-public rust-err-derive-0.2
+  (package
+    (name "rust-err-derive")
+    (version "0.2.3")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "err-derive" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0v6wxrshfpg7mwaxzq8jwxbfiyn7zk5rlm4m8kkrwh7dpf8nrx42"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-synstructure" ,rust-synstructure-0.12)
+        ("rust-skeptic" ,rust-skeptic-0.13)
+        ("rust-proc-macro-error" ,rust-proc-macro-error-0.4)
+        ("rust-proc-macro2" ,rust-proc-macro2-1.0)
+        ("rust-syn" ,rust-syn-1.0)
+        ("rust-rustversion" ,rust-rustversion-1.0)
+        ("rust-quote" ,rust-quote-1.0))
+       #:cargo-development-inputs
+       (("rust-skeptic" ,rust-skeptic-0.13))))
+    (home-page "https://gitlab.com/torkleyy/err-derive")
+    (synopsis "Derive macro for `std::error::Error`")
+    (description
+     "Derive macro for @code{std::error::Error}.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-errno-0.2
   (package
     (name "rust-errno")
@@ -5025,7 +5689,7 @@ is configured via an environment variable.")
 (define-public rust-error-chain-0.12
   (package
     (name "rust-error-chain")
-    (version "0.12.1")
+    (version "0.12.2")
     (source
      (origin
        (method url-fetch)
@@ -5034,23 +5698,60 @@ is configured via an environment variable.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "1ndpw1ny2kxqpw6k1shq8k56z4vfpk4xz9zr8ay988k0rffrxd1s"))))
+         "1ka5y0fmymxzx3gz2yrd7rpz2i555m1iw4fpmcggpzcgr1n10wfk"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
        (("rust-backtrace" ,rust-backtrace-0.3)
-        ("rust-version-check" ,rust-version-check-0.1))))
+        ("rust-version-check" ,rust-version-check-0.9))))
     (home-page "https://github.com/rust-lang-nursery/error-chain")
     (synopsis "Yet another error boilerplate library")
     (description
      "Yet another error boilerplate library.")
     (license (list license:asl2.0 license:expat))))
 
+(define-public rust-error-chain-0.11
+  (package
+    (inherit rust-error-chain-0.12)
+    (name "rust-error-chain")
+    (version "0.11.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "error-chain" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1wykkr0naizbkwxjwia1rch8xhwvgij9khqvjzs07mrmqifislgz"))))
+    (arguments
+     `(#:tests? #f      ; Not all test files included.
+       #:cargo-inputs
+       (("rust-backtrace" ,rust-backtrace-0.3))))))
+
+(define-public rust-error-chain-0.10
+  (package
+    (inherit rust-error-chain-0.11)
+    (name "rust-error-chain")
+    (version "0.10.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "error-chain" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1y1gyj9g5c3k1nzkvxrgry8v9k86kcc585mczrm3qz019s35shyr"))))
+    (arguments
+     `(#:cargo-inputs
+       (("rust-backtrace" ,rust-backtrace-0.3))))))
+
 (define-public rust-euclid-0.20
   (package
     (name "rust-euclid")
-    (version "0.20.7")
+    (version "0.20.10")
     (source
      (origin
        (method url-fetch)
@@ -5059,7 +5760,7 @@ is configured via an environment variable.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "0pa8kxblvc0s9gia9n0966w7169aswpg7knw2pmwrqa204r2v19z"))))
+         "0c3hbl0kvc53k6nws0v9d46hi0giza1j079sqx2bgl4wfw65nshc"))))
     (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs
@@ -5127,7 +5828,7 @@ is configured via an environment variable.")
 (define-public rust-failure-0.1
   (package
     (name "rust-failure")
-    (version "0.1.5")
+    (version "0.1.7")
     (source
      (origin
        (method url-fetch)
@@ -5136,7 +5837,7 @@ is configured via an environment variable.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "1qppmgv4i5jj6vrss91qackqnl0a12h7lnby4l7j5fdy78yxhnvr"))))
+         "0js6i6mb42q1g6q3csfbmi6q40s64k96705xbim0d8zg44j9qlmq"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
@@ -5152,7 +5853,7 @@ is configured via an environment variable.")
 (define-public rust-failure-derive-0.1
   (package
     (name "rust-failure-derive")
-    (version "0.1.5")
+    (version "0.1.7")
     (source
      (origin
        (method url-fetch)
@@ -5161,15 +5862,15 @@ is configured via an environment variable.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "1q97n7dp51j5hndzic9ng2fgn6f3z5ya1992w84l7vypby8n647a"))))
+         "0cfjz0c9szqpxn43b2r722p6m3swzxj7aj6xhqw23ml7h8y762h3"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
-       (("rust-proc-macro2" ,rust-proc-macro2-0.4)
-        ("rust-quote" ,rust-quote-0.6)
-        ("rust-syn" ,rust-syn-0.15)
-        ("rust-synstructure" ,rust-synstructure-0.10))
+       (("rust-proc-macro2" ,rust-proc-macro2-1.0)
+        ("rust-quote" ,rust-quote-1.0)
+        ("rust-syn" ,rust-syn-1.0)
+        ("rust-synstructure" ,rust-synstructure-0.12))
        #:cargo-development-inputs
        (("rust-failure" ,rust-failure-0.1))))
     (home-page "https://rust-lang-nursery.github.io/failure/")
@@ -5190,7 +5891,6 @@ is configured via an environment variable.")
          (base32
           "1xq759lsr8gqss7hva42azn3whgrbrs2sd9xpn92c5ickxm1fhs4"))))
     (build-system cargo-build-system)
-    (arguments '(#:skip-build? #t))
     (home-page "https://github.com/sfackler/rust-fallible-iterator")
     (synopsis "Fallible iterator traits")
     (description "If the @code{std} or @code{alloc} features are enabled, this
@@ -5200,6 +5900,38 @@ provides implementations for @code{HashMap} and @code{HashSet}.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-fern-0.5
+  (package
+    (name "rust-fern")
+    (version "0.5.9")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "fern" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1anslk0hx9an4ypcaxqff080hgbcxm7ji7d4qf4f6qx1mkav16p6"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-libc" ,rust-libc-0.2)
+        ("rust-reopen" ,rust-reopen-0.3)
+        ("rust-log" ,rust-log-0.4)
+        ("rust-chrono" ,rust-chrono-0.4)
+        ("rust-colored" ,rust-colored-1.9)
+        ("rust-syslog" ,rust-syslog-3.3)
+        ("rust-syslog" ,rust-syslog-4.0))
+       #:cargo-development-inputs
+       (("rust-clap" ,rust-clap-2)
+        ("rust-tempdir" ,rust-tempdir-0.3))))
+    (home-page "https://github.com/daboross/fern")
+    (synopsis "Simple, efficient logging")
+    (description
+     "This package provides a simple, efficient logging system for Rust.")
+    (license license:expat)))
+
 (define-public rust-filetime-0.2
   (package
     (name "rust-filetime")
@@ -5334,7 +6066,7 @@ cross platform API.")
 (define-public rust-flate2-1.0
   (package
     (name "rust-flate2")
-    (version "1.0.9")
+    (version "1.0.14")
     (source
      (origin
        (method url-fetch)
@@ -5343,22 +6075,25 @@ cross platform API.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "1n639gc7sbmrkir6pif608xqpwcv60kigmp5cn9x7m8892nk82am"))))
+         "0hlb2zmn5ixrgr0i1qvrd3a7j4fpp002d0kddn2hm7hjj49z9zrc"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
-       (("rust-crc32fast" ,rust-crc32fast-1.2)
+       (("rust-cfg-if" ,rust-cfg-if-0.1)
+        ("rust-cloudflare-zlib-sys"
+         ,rust-cloudflare-zlib-sys-0.2)
+        ("rust-crc32fast" ,rust-crc32fast-1.2)
         ("rust-futures" ,rust-futures-0.1)
         ("rust-libc" ,rust-libc-0.2)
         ("rust-libz-sys" ,rust-libz-sys-1.0)
         ("rust-miniz-sys" ,rust-miniz-sys-0.1)
-        ("rust-miniz-oxide-c-api" ,rust-miniz-oxide-c-api-0.2)
+        ("rust-miniz-oxide" ,rust-miniz-oxide-0.3)
         ("rust-tokio-io" ,rust-tokio-io-0.1))
        #:cargo-development-inputs
        (("rust-futures" ,rust-futures-0.1)
-        ("rust-quickcheck" ,rust-quickcheck-0.8)
-        ("rust-rand" ,rust-rand-0.4)
+        ("rust-quickcheck" ,rust-quickcheck-0.9)
+        ("rust-rand" ,rust-rand-0.7)
         ("rust-tokio-io" ,rust-tokio-io-0.1)
         ("rust-tokio-tcp" ,rust-tokio-tcp-0.1)
         ("rust-tokio-threadpool" ,rust-tokio-threadpool-0.1))))
@@ -5454,6 +6189,48 @@ implementation that is more efficient for smaller hash keys.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-font-kit-0.4
+  (package
+    (name "rust-font-kit")
+    (version "0.4.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "font-kit" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1fmg1jmqdvsjxjbyz8chpx1mhp544mwq128ns1shhrha5a6zzdqp"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-lyon-path" ,rust-lyon-path-0.14)
+        ("rust-core-graphics" ,rust-core-graphics-0.17)
+        ("rust-float-ord" ,rust-float-ord-0.2)
+        ("rust-libc" ,rust-libc-0.2)
+        ("rust-euclid" ,rust-euclid-0.20)
+        ("rust-winapi" ,rust-winapi-0.3)
+        ("rust-servo-fontconfig"
+         ,rust-servo-fontconfig-0.4)
+        ("rust-freetype" ,rust-freetype-0.4)
+        ("rust-log" ,rust-log-0.4)
+        ("rust-core-foundation"
+         ,rust-core-foundation-0.6)
+        ("rust-memmap" ,rust-memmap-0.7)
+        ("rust-dwrote" ,rust-dwrote-0.9)
+        ("rust-dirs" ,rust-dirs-1.0)
+        ("rust-byteorder" ,rust-byteorder-1.3)
+        ("rust-lazy-static" ,rust-lazy-static-1)
+        ("rust-core-text" ,rust-core-text-13)
+        ("rust-walkdir" ,rust-walkdir-2.3))))
+    (home-page "https://github.com/servo/font-kit")
+    (synopsis "Cross-platform font loading library")
+    (description
+     "This package provides a cross-platform font loading library.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-foreign-types-0.5
   (package
     (name "rust-foreign-types")
@@ -5606,6 +6383,31 @@ implementation that is more efficient for smaller hash keys.")
 values to other threads.")
     (license license:asl2.0)))
 
+(define-public rust-freetype-0.4
+  (package
+    (name "rust-freetype")
+    (version "0.4.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "freetype" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0a70x03n68997f08bi3n47q9wyi3pv5s9v4rjc79sihb84mnp4hi"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-libc" ,rust-libc-0.2)
+        ("rust-servo-freetype-sys" ,rust-servo-freetype-sys-4))))
+    (home-page "https://github.com/servo/rust-freetype")
+    (synopsis "Bindings for Freetype used by Servo")
+    (description
+     "Bindings for Freetype used by Servo.")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-freetype-rs-0.23
   (package
     (name "rust-freetype-rs")
@@ -5764,6 +6566,31 @@ for file changes notifications")
 macOS API for file changes notifications")
     (license license:expat)))
 
+(define-public rust-fst-0.4
+  (package
+    (name "rust-fst")
+    (version "0.4.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "fst" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0ybmdzkknhv1wx6ws86iyixfyzc04l4nm71b9va7953r1m3i6z1z"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-utf8-ranges" ,rust-utf8-ranges-1.0))))
+    (home-page "https://github.com/BurntSushi/fst")
+    (synopsis "Represent sets or maps of large numbers of strings.")
+    (description
+     "Use finite state transducers to compactly represent sets or maps of many
+strings (> 1 billion is possible).")
+    (license (list license:unlicense license:expat))))
+
 (define-public rust-fuchsia-cprng-0.1
   (package
     (name "rust-fuchsia-cprng")
@@ -6616,7 +7443,7 @@ API library @code{gdi32}.")
 (define-public rust-getrandom-0.1
   (package
     (name "rust-getrandom")
-    (version "0.1.6")
+    (version "0.1.14")
     (source
      (origin
        (method url-fetch)
@@ -6625,16 +7452,19 @@ API library @code{gdi32}.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "0macrjfkgsjn6ikr94agapp4fkxmr8w7y2g7qis4icc4a17cwp76"))))
+         "1sq30li71h19rhnhs1h6576ja68insajx8wvh1nn088r8pc8vg3s"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
-       (("rust-lazy-static" ,rust-lazy-static-1)
+       (("rust-cfg-if" ,rust-cfg-if-0.1)
+        ("rust-compiler-builtins" ,rust-compiler-builtins-0.1)
+        ("rust-wasm-bindgen" ,rust-wasm-bindgen-0.2)
         ("rust-libc" ,rust-libc-0.2)
         ("rust-log" ,rust-log-0.4)
         ("rust-stdweb" ,rust-stdweb-0.4)
-        ("rust-wasm-bindgen" ,rust-wasm-bindgen-0.2))))
+        ("rust-wasi" ,rust-wasi-0.9)
+        ("rust-rustc-std-workspace-core" ,rust-rustc-std-workspace-core-1.0))))
     (home-page "https://github.com/rust-random/getrandom")
     (synopsis "Retrieve random data from system source")
     (description
@@ -6642,6 +7472,109 @@ API library @code{gdi32}.")
 retrieving random data from system source.")
     (license (list license:expat license:asl2.0))))
 
+(define-public rust-gfx-0.18
+  (package
+    (name "rust-gfx")
+    (version "0.18.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "gfx" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0nqmxqi3x4ni0g78g77a6aldrv8cfvzhnpqhxyd2ap4aa3wldph1"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-log" ,rust-log-0.4)
+        ("rust-mint" ,rust-mint-0.5)
+        ("rust-draw-state" ,rust-draw-state-0.8)
+        ("rust-gfx-core" ,rust-gfx-core-0.9))))
+    (home-page "https://github.com/gfx-rs/gfx")
+    (synopsis "High-performance, bindless graphics API")
+    (description
+     "This package provides a high-performance, bindless graphics API.")
+    (license license:asl2.0)))
+
+(define-public rust-gfx-core-0.9
+  (package
+    (name "rust-gfx-core")
+    (version "0.9.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "gfx_core" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0haldr99n12d90vqgvl77n59hywlklhdff85j2aljaz1yapdvyvm"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-log" ,rust-log-0.4)
+        ("rust-mint" ,rust-mint-0.5)
+        ("rust-draw-state" ,rust-draw-state-0.8)
+        ("rust-serde" ,rust-serde-1.0)
+        ("rust-bitflags" ,rust-bitflags-1))))
+    (home-page "https://github.com/gfx-rs/gfx")
+    (synopsis "Core library of Gfx-rs")
+    (description "This package is a core library of Gfx-rs.")
+    (license license:asl2.0)))
+
+(define-public rust-gfx-device-gl-0.16
+  (package
+    (name "rust-gfx-device-gl")
+    (version "0.16.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "gfx_device_gl" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1g5yg19jvxdmviljyakhd6253bnb2qg7v8iscf48ihc0ldgki70h"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-log" ,rust-log-0.4)
+        ("rust-gfx-gl" ,rust-gfx-gl-0.6)
+        ("rust-gfx-core" ,rust-gfx-core-0.9))))
+    (home-page "https://github.com/gfx-rs/gfx")
+    (synopsis "OpenGL backend for gfx-rs")
+    (description "This package provides the openGL backend for gfx-rs.")
+    (license license:asl2.0)))
+
+(define-public rust-gfx-gl-0.6
+  (package
+    (name "rust-gfx-gl")
+    (version "0.6.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "gfx_gl" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0ppzj4bgjawdqz3fvnscqk8lnmgh95pwzh0v96vwy809cxj83lzj"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-gl-generator" ,rust-gl-generator-0.14))))
+    (home-page "https://github.com/gfx-rs/gfx_gl")
+    (synopsis "OpenGL bindings for gfx, based on gl-rs")
+    (description
+     "This package provides OpenGL bindings for gfx, based on gl-rs.")
+    (license license:asl2.0)))
+
 (define-public rust-gif-0.10
   (package
     (name "rust-gif")
@@ -6669,6 +7602,37 @@ retrieving random data from system source.")
     (description "This package provides a GIF decoder and encoder in Rust.")
     (license (list license:expat license:asl2.0))))
 
+(define-public rust-gimli-0.20
+  (package
+    (name "rust-gimli")
+    (version "0.20.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "gimli" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0cz6wg1niwfqf0mk28igsdnsm92cs57cai9jpzdmvw6hma863pc1"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-fallible-iterator"
+         ,rust-fallible-iterator-0.2)
+        ("rust-arrayvec" ,rust-arrayvec-0.5)
+        ("rust-stable-deref-trait"
+         ,rust-stable-deref-trait-1.1)
+        ("rust-smallvec" ,rust-smallvec-1)
+        ("rust-indexmap" ,rust-indexmap-1.3)
+        ("rust-byteorder" ,rust-byteorder-1.3))))
+    (home-page "https://github.com/gimli-rs/gimli")
+    (synopsis "Library for reading and writing the DWARF debugging format")
+    (description
+     "This package provides a library for reading and writing the DWARF debugging format.")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-gimli-0.18
   (package
     (name "rust-gimli")
@@ -6868,6 +7832,29 @@ reading and writing git repositories.")
         ("rust-thread-id" ,rust-thread-id-3.3)
         ("rust-time" ,rust-time-0.1))))))
 
+(define-public rust-gl-0.11
+  (package
+    (name "rust-gl")
+    (version "0.11.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "gl" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1wcqpyhck0xriffkmgmldy33lwk2044hb4l02d44vm4fbvicin6p"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-gl-generator" ,rust-gl-generator-0.10))))
+    (home-page "https://github.com/brendanzab/gl-rs/")
+    (synopsis "OpenGL bindings for rust")
+    (description "This package provides OpenGL bindings for rust.")
+    (license license:asl2.0)))
+
 (define-public rust-gl-generator-0.14
   (package
     (name "rust-gl-generator")
@@ -6923,6 +7910,33 @@ reading and writing git repositories.")
        (base32
         "1gdchvay0k0g931b2ki33mkfixcw4radk5b8sqsm29rahxg3v8ir"))))))
 
+(define-public rust-gl-generator-0.10
+  (package
+    (name "rust-gl-generator")
+    (version "0.10.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "gl_generator" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0146yd4i9wbgfrhnkc04w7n7civbanznc0q87skp6v7p7hbszzx0"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-log" ,rust-log-0.4)
+        ("rust-xml-rs" ,rust-xml-rs-0.8)
+        ("rust-khronos-api" ,rust-khronos-api-3))))
+    (home-page "https://github.com/brendanzab/gl-rs/")
+    (synopsis
+     "Code generators for creating bindings to the Khronos OpenGL APIs")
+    (description
+     "Code generators for creating bindings to the Khronos OpenGL APIs.")
+    (license license:asl2.0)))
+
 (define-public rust-gleam-0.6
   (package
     (name "rust-gleam")
@@ -7365,6 +8379,53 @@ path simultaneously, and returning all of the globs that matched.")
     (description "This package provides FFI bindings to libgobject-2.0.")
     (license license:expat)))
 
+(define-public rust-goblin-0.2
+  (package
+    (name "rust-goblin")
+    (version "0.2.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "goblin" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1j38fkqadbsjxawr3wnj9m0qaihcwp6pmfakmhsar881509y7mfx"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-scroll" ,rust-scroll-0.10)
+        ("rust-plain" ,rust-plain-0.2)
+        ("rust-log" ,rust-log-0.4))))
+    (home-page "https://github.com/m4b/goblin")
+    (synopsis "ELF, Mach-o, and PE binary parsing and loading crate")
+    (description "This package provides an ELF, Mach-o, and PE binary parsing
+and loading crate.")
+    (license license:expat)))
+
+(define-public rust-goblin-0.1
+  (package
+    (inherit rust-goblin-0.2)
+    (name "rust-goblin")
+    (version "0.1.3")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "goblin" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1nn0aa2jf207gbyccxnrzm7n217di025z5y1ybblp7nkk11j309h"))))
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-scroll" ,rust-scroll-0.10)
+        ("rust-plain" ,rust-plain-0.2)
+        ("rust-log" ,rust-log-0.4))))))
+
 (define-public rust-goblin-0.0
   (package
     (name "rust-goblin")
@@ -7845,7 +8906,7 @@ consistent, and reasonably well performing.")
 (define-public rust-hermit-abi-0.1
   (package
     (name "rust-hermit-abi")
-    (version "0.1.6")
+    (version "0.1.10")
     (source
       (origin
         (method url-fetch)
@@ -7854,7 +8915,7 @@ consistent, and reasonably well performing.")
          (string-append name "-" version ".tar.gz"))
         (sha256
          (base32
-         "0wippj5nkw9q5yyyaqpdrgdhag3l3nbrwja7149cwn7ii1nnbwpg"))))
+          "0blmmzik5cs79ivq70s9gal8ypgzj50wnl2hwsaam46gjjbz2p3j"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
@@ -8364,6 +9425,38 @@ for the most common image formats.")
         ("rust-num-complex" ,rust-num-complex-0.2)
         ("rust-quickcheck" ,rust-quickcheck-0.6))))))
 
+(define-public rust-indexmap-1.3
+  (package
+    (name "rust-indexmap")
+    (version "1.3.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "indexmap" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "14i2gmq9pwaafvlxmsc12j6539hjgqk4j4jz40fz763vbcn08vq7"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-autocfg" ,rust-autocfg-1.0)
+        ("rust-serde" ,rust-serde-1.0)
+        ("rust-rayon" ,rust-rayon-1.3))))
+    (home-page "https://github.com/bluss/indexmap")
+    (synopsis "Hash table with consistent order and fast iteration.")
+    (description
+     "This package provides a hash table with consistent order and fast iteration.
+
+The indexmap is a hash table where the iteration order of the key-value
+pairs is independent of the hash values of the keys.  It has the usual
+hash table functionality, it preserves insertion order except after
+removals, and it allows lookup of its elements by either hash table key
+or numerical index.  A corresponding hash set type is also provided.")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-indexmap-1.0
   (package
     (name "rust-indexmap")
@@ -8546,6 +9639,53 @@ in Rust.")
 that works on WASM too.")
     (license license:bsd-3)))
 
+(define-public rust-interpolate-name-0.2
+  (package
+    (name "rust-interpolate-name")
+    (version "0.2.3")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "interpolate_name" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "05vzsiqb69d1mbpaphcg4ifjsjs6g03b8pacskfcydqhh555zcxl"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-proc-macro2" ,rust-proc-macro2-1.0)
+        ("rust-syn" ,rust-syn-1.0)
+        ("rust-quote" ,rust-quote-1.0))))
+    (home-page "https://github.com/lu-zero/interpolate_name")
+    (synopsis "Simple procedural macro attribute for repetitive tests")
+    (description
+     "Simple procedural macro attribute for repetitive tests.")
+    (license license:expat)))
+
+(define-public rust-interpolation-0.2
+  (package
+    (name "rust-interpolation")
+    (version "0.2.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "interpolation" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "00icvvgc72zdgyrwwg2p0wad4hry4d2vd6l9iqpyjpmw5dykbdyk"))))
+    (build-system cargo-build-system)
+    (arguments `(#:skip-build? #t))
+    (home-page "https://github.com/pistondevelopers/interpolation")
+    (synopsis "Library for interpolation")
+    (description
+     "This package provides a library for interpolation.")
+    (license license:expat)))
+
 (define-public rust-intervaltree-0.2
   (package
     (name "rust-intervaltree")
@@ -8620,7 +9760,7 @@ immutable interval tree.")
 (define-public rust-itertools-0.8
   (package
     (name "rust-itertools")
-    (version "0.8.0")
+    (version "0.8.2")
     (source
      (origin
        (method url-fetch)
@@ -8629,7 +9769,7 @@ immutable interval tree.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "0n2k13b6w4x2x6np2lykh9bj3b3z4hwh2r4cn3z2dgnfq7cng12v"))))
+         "1154j48aw913v5jnyhpxialxhdn2sfpl4d7bwididyb1r05jsspm"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
@@ -8637,8 +9777,8 @@ immutable interval tree.")
        (("rust-either" ,rust-either-1.5))
        #:cargo-development-inputs
        (("rust-permutohedron" ,rust-permutohedron-0.2)
-        ("rust-quickcheck" ,rust-quickcheck-0.8)
-        ("rust-rand" ,rust-rand-0.4))))
+        ("rust-quickcheck" ,rust-quickcheck-0.7)
+        ("rust-rand" ,rust-rand-0.6))))
     (home-page
      "https://github.com/rust-itertools/itertools")
     (synopsis
@@ -8700,7 +9840,7 @@ and functions.")
 (define-public rust-itoa-0.4
   (package
     (name "rust-itoa")
-    (version "0.4.4")
+    (version "0.4.5")
     (source
       (origin
         (method url-fetch)
@@ -8708,7 +9848,7 @@ and functions.")
         (file-name (string-append name "-" version ".crate"))
         (sha256
          (base32
-          "0zvg2d9qv3avhf3d8ggglh6fdyw8kkwqg3r4622ly5yhxnvnc4jh"))))
+          "13nxqrfnh83a7x5rw4wq2ilp8nxvwy74dxzysdg59dbxqk0agdxq"))))
     (build-system cargo-build-system)
     (home-page "https://github.com/dtolnay/itoa")
     (synopsis "Fast functions for printing integer primitives")
@@ -8746,6 +9886,29 @@ primitives to an @code{io::Write}.")
         (base32
          "18g7p2hrb3dk84z3frfgmszfc9hjb4ps9vp99qlb1kmf9gm8hc5f"))))))
 
+(define-public rust-ivf-0.1
+  (package
+    (name "rust-ivf")
+    (version "0.1.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "ivf" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1wfjf3rilqavrhvwagzinvng9dg28wcjk3c6c6p5qmc1xy65qfh1"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-bitstream-io" ,rust-bitstream-io-0.8))))
+    (home-page "https://github.com/xiph/rav1e")
+    (synopsis "Simple ivf muxer")
+    (description "This package provides a simple ivf muxer.")
+    (license license:bsd-2)))
+
 (define-public rust-jemalloc-sys-0.3
   (package
     (name "rust-jemalloc-sys")
@@ -8919,7 +10082,7 @@ primitives to an @code{io::Write}.")
 (define-public rust-js-sys-0.3
   (package
     (name "rust-js-sys")
-    (version "0.3.35")
+    (version "0.3.37")
     (source
      (origin
        (method url-fetch)
@@ -8928,7 +10091,7 @@ primitives to an @code{io::Write}.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "1ybwazllkbif71i195dadgrsw64k6l04ggk5yimiy5c2cb1wg2bq"))))
+         "0mbhpbw3zjjl51m24qx3ilq4y8xipm5sfa5hsavaabqs6wsx89va"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
@@ -9181,7 +10344,7 @@ requires non-const function calls to be computed.")
 (define-public rust-libc-0.2
   (package
     (name "rust-libc")
-    (version "0.2.66")
+    (version "0.2.68")
     (source
      (origin
        (method url-fetch)
@@ -9189,7 +10352,7 @@ requires non-const function calls to be computed.")
        (file-name (string-append name "-" version ".crate"))
        (sha256
         (base32
-         "0n0mwry21fxfwc063k33mvxk8xj7ia5ar8m42c9ymbam2ksb25fm"))))
+         "1w6z9krcqn7p200sb80dxx76iyvw3jdz949zxr1sgfr3a50c186y"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
@@ -9462,6 +10625,30 @@ known as zlib).")
 graphics and video games.")
     (license license:expat)))
 
+(define-public rust-line-wrap-0.1
+  (package
+    (name "rust-line-wrap")
+    (version "0.1.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "line-wrap" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1ffa2whkyh9mwvdlpk6v8pjkg8p8mlzyjfymq5adll9a18sl80zk"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-safemem" ,rust-safemem-0.3))))
+    (home-page "https://bitbucket.org/marshallpierce/line-wrap-rs/src")
+    (synopsis "Efficiently insert line separators")
+    (description
+     "Efficiently insert line separators.")
+    (license license:asl2.0)))
+
 (define-public rust-linked-hash-map-0.5
   (package
     (name "rust-linked-hash-map")
@@ -9717,7 +10904,7 @@ by inspecting the system for user preference.")
   (package
     (inherit rust-log-0.4)
     (name "rust-log")
-    (version "0.3.8")
+    (version "0.3.9")
     (source
       (origin
         (method url-fetch)
@@ -9725,7 +10912,10 @@ by inspecting the system for user preference.")
         (file-name (string-append name "-" version ".tar.gz"))
         (sha256
          (base32
-          "0nsn28syc49vvjhxcfc8261rd1frhjc0r4bn9v3mqvps3ra7f3w8"))))))
+          "0jq23hhn5h35k7pa8r7wqnsywji6x3wn1q5q7lif5q536if8v7p1"))))
+    (arguments
+     `(#:cargo-inputs
+       (("rust-log" ,rust-log-0.4))))))
 
 (define-public rust-loom-0.1
   (package
@@ -9780,6 +10970,58 @@ by inspecting the system for user preference.")
      "Colorize paths using the LS_COLORS environment variable.")
     (license (list license:expat license:asl2.0))))
 
+(define-public rust-lyon-geom-0.14
+  (package
+    (name "rust-lyon-geom")
+    (version "0.14.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "lyon_geom" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "178z4cqqmyw0rsabbgx9phkjxjzcnq0604062lqjlq87k063216a"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-num-traits" ,rust-num-traits-0.2)
+        ("rust-euclid" ,rust-euclid-0.20)
+        ("rust-arrayvec" ,rust-arrayvec-0.4)
+        ("rust-serde" ,rust-serde-1.0))))
+    (home-page "https://github.com/nical/lyon")
+    (synopsis "2D graphics rendering on the GPU using tessellation")
+    (description
+     "This package provides 2D graphics rendering on the GPU using tessellation.")
+    (license (list license:expat license:asl2.0))))
+
+(define-public rust-lyon-path-0.14
+  (package
+    (name "rust-lyon-path")
+    (version "0.14.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "lyon_path" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0qk8x46w0sf6j04l6gvhgn9kr4ymcqkmkh67w8wqahm54jn5gjqb"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-lyon-geom" ,rust-lyon-geom-0.14)
+        ("rust-serde" ,rust-serde-1.0))))
+    (home-page "https://github.com/nical/lyon")
+    (synopsis "Types and utilities to store, build and iterate over 2D paths")
+    (description
+     "Types and utilities to store, build and iterate over 2D paths.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-lzma-sys-0.1
   (package
     (name "rust-lzma-sys")
@@ -10082,6 +11324,30 @@ parallelize and optimize.")
         (base32
          "0j2s8aqdkhwhy7awga2bmv5n8qq8bgy8672iha9f3y871dm6vibr"))))))
 
+(define-public rust-memchr-2.3
+  (package
+    (name "rust-memchr")
+    (version "2.3.3")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "memchr" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0074pvsfl938ndl5js14ibc7i9q0k3zp390z843w8nlyv4bxha1p"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-libc" ,rust-libc-0.2))))
+    (home-page "https://github.com/BurntSushi/rust-memchr")
+    (synopsis "Safe interface to memchr")
+    (description "The @code{memchr} crate provides heavily optimized routines
+for searching bytes.")
+    (license (list license:unlicense license:expat))))
+
 (define-public rust-memchr-2.2
   (package
     (name "rust-memchr")
@@ -10252,6 +11518,31 @@ for Rust structs.")
          "1cvm2z7dy138s302ii7wlzcxbka5a8yfl5pl5di7lbdnw9hw578g"))))
     (arguments `(#:skip-build? #t))))
 
+(define-public rust-metadeps-1.1
+  (package
+    (name "rust-metadeps")
+    (version "1.1.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "metadeps" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1hjla9ypycqw1snd2qf87cckcc0d5z5qvxpcijn5yrrs3f825cbk"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-error-chain" ,rust-error-chain-0.10)
+        ("rust-toml" ,rust-toml-0.2)
+        ("rust-pkg-config" ,rust-pkg-config-0.3))))
+    (home-page "https://github.com/joshtriplett/metadeps")
+    (synopsis "Run pkg-config from declarative dependencies in Cargo.toml")
+    (description "Run pkg-config from declarative dependencies in Cargo.toml.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-metal-0.14
   (package
     (name "rust-metal")
@@ -10311,14 +11602,15 @@ for Rust structs.")
 (define-public rust-miniz-oxide-0.3
   (package
     (name "rust-miniz-oxide")
-    (version "0.3.3")
+    (version "0.3.6")
     (source
       (origin
         (method url-fetch)
         (uri (crate-uri "miniz_oxide" version))
         (file-name (string-append name "-" version ".crate"))
         (sha256
-         (base32 "1bmanbbcdmssfbgik3fs323g7vljc5wkjz7s61jsbbz2kg0nckrh"))))
+         (base32
+          "198n4hfpq0qcxf275l6fpzh7b9cl7ck2xs6pjgpds74bazv9yrxa"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
@@ -10664,6 +11956,29 @@ checking.")
       "Chaining APIs for both self -> Self and &mut self methods.")
     (license license:expat)))
 
+(define-public rust-nasm-rs-0.1
+  (package
+    (name "rust-nasm-rs")
+    (version "0.1.7")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "nasm-rs" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0r34hiy1pc0aksrfc02zsl0zyw33i9yi7kyx8l214l7nm0mzm97y"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-rayon" ,rust-rayon-1.3))))
+    (home-page "https://github.com/medek/nasm-rs")
+    (synopsis "Run NASM during your Cargo build")
+    (description "Run NASM during your Cargo build.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-nalgebra-0.18
   (package
     (name "rust-nalgebra")
@@ -11081,6 +12396,29 @@ combinators library.")
       ;; This is an ancient version and all inputs are optional.
      `(#:skip-build? #t))))
 
+(define-public rust-noop-proc-macro-0.2
+  (package
+    (name "rust-noop-proc-macro")
+    (version "0.2.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "noop_proc_macro" version))
+        (file-name
+          (string-append name "-" version ".tar.gz"))
+        (sha256
+          (base32
+            "0in1l0rjxzs4fylb6zad484z1c58jxyzchhc12k0cjrvm0y6zwsz"))))
+    (build-system cargo-build-system)
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/lu-zero/noop_proc_macro")
+    (synopsis
+      "No-op proc_macro, literally does nothing")
+    (description
+      "No-op proc_macro, literally does nothing")
+    (license license:expat)))
+
 (define-public rust-notify-4
   (package
     (name "rust-notify")
@@ -11318,6 +12656,31 @@ including bigint, complex, rational, range iterators, generic integers, and more
        #:cargo-development-inputs
        (("rust-doc-comment" ,rust-doc-comment-0.3))))))
 
+(define-public rust-num-derive-0.3
+  (package
+    (name "rust-num-derive")
+    (version "0.3.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "num-derive" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0imprwv8cs01k46g56ajlvc97dp8kz51y2vn6cp9jkw1c6r1b2qc"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-proc-macro2" ,rust-proc-macro2-1.0)
+        ("rust-syn" ,rust-syn-1.0)
+        ("rust-quote" ,rust-quote-1.0))))
+    (home-page "https://github.com/rust-num/num-derive")
+    (synopsis "Numeric syntax extensions")
+    (description "This package provides numeric syntax extensions.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-num-derive-0.2
   (package
     (name "rust-num-derive")
@@ -11671,6 +13034,37 @@ Foundation framework.")
      "This package provides utilities for testing Objective-C interop.")
     (license license:expat)))
 
+(define-public rust-object-0.17
+  (package
+    (name "rust-object")
+    (version "0.17.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "object" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1bmgbg4k0725lchfy9j1wnpfmywh5qhs0k4k6j2g7c0acvys8i7a"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-goblin" ,rust-goblin-0.1)
+        ("rust-target-lexicon" ,rust-target-lexicon-0.10)
+        ("rust-scroll" ,rust-scroll-0.10)
+        ("rust-parity-wasm" ,rust-parity-wasm-0.41)
+        ("rust-uuid" ,rust-uuid-0.8)
+        ("rust-flate2" ,rust-flate2-1.0)
+        ("rust-crc32fast" ,rust-crc32fast-1.2)
+        ("rust-indexmap" ,rust-indexmap-1.3))))
+    (home-page "https://github.com/gimli-rs/object")
+    (synopsis "Unified interface for reading and writing object file formats")
+    (description "This package provides a unified interface for reading and
+writing object file formats.")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-object-0.12
   (package
     (name "rust-object")
@@ -11735,6 +13129,67 @@ slices (@code{.find()}, @code{RevSlice}), strings and other things.
 Things in odds may move to more appropriate crates if we find them.")
     (license (list license:asl2.0 license:expat))))
 
+(define-public rust-onig-5.0
+  (package
+    (name "rust-onig")
+    (version "5.0.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "onig" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0ivr0wq1zlyjhhkxpsnmpncg92sjx3rha8pnp3m1mzvgk7y27rz4"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-libc" ,rust-libc-0.2)
+        ("rust-bitflags" ,rust-bitflags-1)
+        ("rust-lazy-static" ,rust-lazy-static-1)
+        ("rust-onig-sys" ,rust-onig-sys-69.2))))
+    (home-page "http://github.com/iwillspeak/rust-onig")
+    (synopsis
+     "Rust bindings for the Oniguruma regular expression library")
+    (description
+     "Rust-Onig is a set of Rust bindings for the Oniguruma regular expression
+library.  Oniguruma is a modern regex library with support for multiple
+character encodings and regex syntaxes.")
+    (license license:expat)))
+
+(define-public rust-onig-sys-69.2
+  (package
+    (name "rust-onig-sys")
+    (version "69.2.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "onig_sys" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0kjijq29yx05xxg9snvqnfn53dl52hchb4sk3zhfr77mypxlx38a"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-pkg-config" ,rust-pkg-config-0.3)
+        ("rust-bindgen" ,rust-bindgen-0.50)
+        ("rust-cc" ,rust-cc-1.0))))
+    (home-page "http://github.com/iwillspeak/rust-onig")
+    (synopsis
+     "Rust bindings to the oniguruma library.")
+    (description
+      "The @code{onig_sys} crate contains raw rust bindings to the oniguruma
+library.  This crate exposes a set of unsafe functions which can then be used by
+other crates to create safe wrappers around Oniguruma.
+You probably don't want to link to this crate directly; instead check out the
+@code{onig} crate.")
+    (license license:expat)))
+
 (define-public rust-once-cell-1.2
   (package
     (name "rust-once-cell")
@@ -11763,6 +13218,27 @@ Things in odds may move to more appropriate crates if we find them.")
      "Single assignment cells and lazy values.")
     (license (list license:expat license:asl2.0))))
 
+(define-public rust-oorandom-11.1
+  (package
+    (name "rust-oorandom")
+    (version "11.1.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "oorandom" version))
+        (file-name
+          (string-append name "-" version ".tar.gz"))
+        (sha256
+          (base32
+            "01clxfnz1zwg4maynvbgj09wlkj5m3c8kjqfrp3sqp59qb4wgkpb"))))
+    (build-system cargo-build-system)
+    (arguments `(#:skip-build? #t))
+    (home-page "https://hg.sr.ht/~icefox/oorandom")
+    (synopsis "A tiny, robust PRNG implementation.")
+    (description
+      "This package provides a tiny, robust PRNG implementation.")
+    (license license:expat)))
+
 (define-public rust-opaque-debug-0.2
   (package
     (name "rust-opaque-debug")
@@ -12088,6 +13564,31 @@ under its new name.")
      "A cross-platform library for opening OS pipes.")
     (license license:expat)))
 
+(define-public rust-output-vt100-0.1
+  (package
+    (name "rust-output-vt100")
+    (version "0.1.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "output_vt100" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1ygqplpxz4gg3i8f3rkan2q69pqll7gv65l2mmd8r9dphnvwbkak"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-winapi" ,rust-winapi-0.3))))
+    (home-page "https://github.com/Phundrak/output-vt100-rs")
+    (synopsis
+     "Utility to activate escape codes in Windows' CMD and PowerShell")
+    (description
+     "Utility to activate escape codes in Windows' CMD and PowerShell.")
+    (license license:expat)))
+
 (define-public rust-osmesa-sys-0.1
   (package
     (name "rust-osmesa-sys")
@@ -12187,6 +13688,61 @@ normally prevent moving a type that has been borrowed from.")
       "This package provides a library for padding strings at runtime.")
     (license license:expat)))
 
+(define-public rust-palette-0.5
+  (package
+    (name "rust-palette")
+    (version "0.5.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "palette" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0nfc4ycdsx2qgf2wkcpxqxc0vmx7188jjjx3ppgs8qlf8qs06p50"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-num-traits" ,rust-num-traits-0.2)
+        ("rust-approx" ,rust-approx-0.3)
+        ("rust-palette-derive" ,rust-palette-derive-0.5)
+        ("rust-phf" ,rust-phf-0.8)
+        ("rust-phf-codegen" ,rust-phf-codegen-0.8)
+        ("rust-serde" ,rust-serde-1.0))))
+    (home-page "https://github.com/Ogeon/palette")
+    (synopsis "Linear color calculations and conversion")
+    (description
+     "This package makes linear color calculations and conversion accessible.")
+    (license (list license:expat license:asl2.0))))
+
+(define-public rust-palette-derive-0.5
+  (package
+    (name "rust-palette-derive")
+    (version "0.5.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "palette_derive" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1x5icddb877923rpl27bg4cjsf1x0d3layxmgwa3mpb01rh5yjqb"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-proc-macro2" ,rust-proc-macro2-1.0)
+        ("rust-syn" ,rust-syn-1.0)
+        ("rust-quote" ,rust-quote-1.0))))
+    (home-page "https://github.com/Ogeon/palette")
+    (synopsis "Automatically implement traits from the palette crate")
+    (description
+     "Automatically implement traits from the palette crate.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-pango-0.7
   (package
     (name "rust-pango")
@@ -12320,6 +13876,28 @@ normally prevent moving a type that has been borrowed from.")
     (description "This package provides FFI bindings to libgtk-3.")
     (license license:expat)))
 
+(define-public rust-parity-wasm-0.41
+  (package
+    (name "rust-parity-wasm")
+    (version "0.41.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "parity-wasm" version))
+        (file-name
+          (string-append name "-" version ".tar.gz"))
+        (sha256
+          (base32
+            "0rfqgjyxrxrfjq5r5n81mdklahl8g4az6yhyyvw25nh0mj6qgz6x"))))
+    (build-system cargo-build-system)
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/paritytech/parity-wasm")
+    (synopsis "WebAssembly low-level format library")
+    (description
+      "WebAssembly low-level format library")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-parity-wasm-0.40
   (package
     (name "rust-parity-wasm")
@@ -12573,7 +14151,7 @@ synchronization primitives.")
 (define-public rust-paste-0.1
   (package
     (name "rust-paste")
-    (version "0.1.7")
+    (version "0.1.10")
     (source
      (origin
        (method url-fetch)
@@ -12582,12 +14160,15 @@ synchronization primitives.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "0in0dqar8s16w6gbwyzwvckm80ala02pq87innx1w6yp73kszqb3"))))
+         "0yk4zbi7128dcrklsbwfa63d39x0dv8f7pdbrylvdlcj0s9v2kxb"))))
     (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs
        (("rust-paste-impl" ,rust-paste-impl-0.1)
-        ("rust-proc-macro-hack" ,rust-proc-macro-hack-0.5))))
+        ("rust-proc-macro-hack" ,rust-proc-macro-hack-0.5))
+       #:cargo-development-inputs
+       (("rust-rustversion" ,rust-rustversion-1.0)
+        ("rust-trybuild" ,rust-trybuild-1.0))))
     (home-page "https://github.com/dtolnay/paste")
     (synopsis "Macros for all your token pasting needs")
     (description
@@ -12597,7 +14178,7 @@ synchronization primitives.")
 (define-public rust-paste-impl-0.1
   (package
     (name "rust-paste-impl")
-    (version "0.1.7")
+    (version "0.1.10")
     (source
      (origin
        (method url-fetch)
@@ -12606,7 +14187,7 @@ synchronization primitives.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "1fwj11j5lhya5fjr4gfljxfm74ahlr09c8xbb8f22hzpyskw8kbd"))))
+         "12jsm83dnsqnrcabfacnwcxh3h4kykl622vi7glv2wg527hqc956"))))
     (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs
@@ -12895,6 +14476,32 @@ algorithm.")
 algorithms.")
     (license (list license:expat license:asl2.0))))
 
+(define-public rust-phf-0.8
+  (package
+    (name "rust-phf")
+    (version "0.8.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "phf" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "04pyv8bzqvw69rd5dynd5nb85py1hf7wa4ixyhrvdz1l5qin3yrx"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-proc-macro-hack" ,rust-proc-macro-hack-0.5)
+        ("rust-phf-shared" ,rust-phf-shared-0.8)
+        ("rust-phf-macros" ,rust-phf-macros-0.8))))
+    (home-page "https://github.com/sfackler/rust-phf")
+    (synopsis "Runtime support for perfect hash function data structures")
+    (description "This package provides runtime support for perfect hash
+function data structures.")
+    (license license:expat)))
+
 (define-public rust-phf-0.7
   (package
     (name "rust-phf")
@@ -12920,6 +14527,30 @@ algorithms.")
      "Runtime support for perfect hash function data structures.")
     (license license:expat)))
 
+(define-public rust-phf-codegen-0.8
+  (package
+    (name "rust-phf-codegen")
+    (version "0.8.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "phf_codegen" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "05d8w7aqqjb6039pfm6404gk5dlwrrf97kiy1n21212vb1hyxzyb"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-phf-generator" ,rust-phf-generator-0.8)
+        ("rust-phf-shared" ,rust-phf-shared-0.8))))
+    (home-page "https://github.com/sfackler/rust-phf")
+    (synopsis "Codegen library for PHF types")
+    (description "Codegen library for PHF types.")
+    (license license:expat)))
+
 (define-public rust-phf-codegen-0.7
   (package
     (name "rust-phf-codegen")
@@ -12944,6 +14575,31 @@ algorithms.")
     (description "Codegen library for PHF types.")
     (license license:expat)))
 
+(define-public rust-phf-generator-0.8
+  (package
+    (name "rust-phf-generator")
+    (version "0.8.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "phf_generator" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "09i5338d1kixq6a60fcayz6awgxjlxcfw9ic5f02abbgr067ydhp"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-criterion" ,rust-criterion-0.3)
+        ("rust-rand" ,rust-rand-0.7)
+        ("rust-phf-shared" ,rust-phf-shared-0.8))))
+    (home-page "https://github.com/sfackler/rust-phf")
+    (synopsis "PHF generation logic")
+    (description "PHF generation logic.")
+    (license license:expat)))
+
 (define-public rust-phf-generator-0.7
   (package
     (name "rust-phf-generator")
@@ -12967,6 +14623,35 @@ algorithms.")
     (description "PHF generation logic")
     (license license:expat)))
 
+(define-public rust-phf-macros-0.8
+  (package
+    (name "rust-phf-macros")
+    (version "0.8.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "phf_macros" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "170qm6yqn6b9mjlwb2xmm3iad9d5nzwgfawfwy7zr7s2zwcdwvvz"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-proc-macro-hack" ,rust-proc-macro-hack-0.5)
+        ("rust-phf-generator" ,rust-phf-generator-0.8)
+        ("rust-phf-shared" ,rust-phf-shared-0.8)
+        ("rust-proc-macro2" ,rust-proc-macro2-1.0)
+        ("rust-syn" ,rust-syn-1.0)
+        ("rust-quote" ,rust-quote-1.0))))
+    (home-page "https://github.com/sfackler/rust-phf")
+    (synopsis "Macros to generate types in the phf crate")
+    (description
+     "This package contains macros to generate types in the phf crate.")
+    (license license:expat)))
+
 (define-public rust-phf-macros-0.7
   (package
     (name "rust-phf-macros")
@@ -12999,6 +14684,31 @@ algorithms.")
      "Macros to generate types in the phf crate.")
     (license license:expat)))
 
+(define-public rust-phf-shared-0.8
+  (package
+    (name "rust-phf-shared")
+    (version "0.8.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "phf_shared" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1xssnqrrcn0nr9ayqrnm8xm37ac4xvwcx8pax7jxss7yxawzh360"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-siphasher" ,rust-siphasher-0.3)
+        ("rust-unicase" ,rust-unicase-2.6))))
+    (home-page "https://github.com/sfackler/rust-phf")
+    (synopsis "Support code shared by PHF libraries")
+    (description
+     "This package provides support code shared by PHF libraries.")
+    (license license:expat)))
+
 (define-public rust-phf-shared-0.7
   (package
     (name "rust-phf-shared")
@@ -13062,6 +14772,368 @@ algorithms.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-piston-0.49
+  (package
+    (name "rust-piston")
+    (version "0.49.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "piston" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1y0rbw92mzagqmwk79wv9axq0m7aid0s0d5cppyzh33wrxhdl3xj"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-pistoncore-input" ,rust-pistoncore-input-0.28)
+        ("rust-pistoncore-window" ,rust-pistoncore-window-0.44)
+        ("rust-pistoncore-event-loop" ,rust-pistoncore-event-loop-0.49))))
+    (home-page "https://github.com/PistonDevelopers/piston")
+    (synopsis "Piston game engine core libraries")
+    (description
+     "The Piston game engine core libraries.")
+    (license license:expat)))
+
+(define-public rust-piston-float-1.0
+  (package
+    (name "rust-piston-float")
+    (version "1.0.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "piston-float" version))
+        (file-name
+          (string-append name "-" version ".tar.gz"))
+        (sha256
+          (base32
+            "0r35aasycms79hf2vf1ap40kkp8ywgl4hmfkf762dq8jwd3vw07r"))))
+    (build-system cargo-build-system)
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/pistondevelopers/float")
+    (synopsis
+      "Traits for generic floats in game development")
+    (description
+      "Traits for generic floats in game development")
+    (license license:expat)))
+
+(define-public rust-piston-gfx-texture-0.40
+  (package
+    (name "rust-piston-gfx-texture")
+    (version "0.40.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "piston-gfx_texture" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1nr5awdgk3njfvfanszrv4gxz93f6skid1c8yijswccygripchqz"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-gfx" ,rust-gfx-0.18)
+        ("rust-image" ,rust-image-0.22)
+        ("rust-piston-texture" ,rust-piston-texture-0.8)
+        ("rust-gfx-core" ,rust-gfx-core-0.9))))
+    (home-page "https://github.com/pistondevelopers/gfx_texture")
+    (synopsis
+      "Gfx texture representation that works nicely with Piston libraries")
+    (description "This package provides a Gfx texture representation that works
+nicely with Piston libraries.")
+    (license license:expat)))
+
+(define-public rust-piston-graphics-api-version-0.2
+  (package
+    (name "rust-piston-graphics-api-version")
+    (version "0.2.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "piston-graphics_api_version" version))
+        (file-name
+          (string-append name "-" version ".tar.gz"))
+        (sha256
+          (base32
+            "1b5p6s45jqv057lpbxkiq3yrdjjhvcynmi2vjf8292rf0yh4hky5"))))
+    (build-system cargo-build-system)
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/PistonDevelopers/graphics_api_version")
+    (synopsis
+      "A library for storing graphics API versions")
+    (description
+      "This package provides a library for storing graphics API versions")
+    (license license:expat)))
+
+(define-public rust-piston-shaders-graphics2d-0.3
+  (package
+    (name "rust-piston-shaders-graphics2d")
+    (version "0.3.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "piston-shaders_graphics2d" version))
+        (file-name
+          (string-append name "-" version ".tar.gz"))
+        (sha256
+          (base32
+            "1dhh9bv4q19gdnj9d1nqq0yrvzs6gcn0c5j1p1f3xzyzq7d1gg4p"))))
+    (build-system cargo-build-system)
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/PistonDevelopers/shaders")
+    (synopsis "Shaders for 2D graphics in Rust")
+    (description "Shaders for 2D graphics in Rust")
+    (license license:expat)))
+
+(define-public rust-piston-texture-0.8
+  (package
+    (name "rust-piston-texture")
+    (version "0.8.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "piston-texture" version))
+        (file-name
+          (string-append name "-" version ".tar.gz"))
+        (sha256
+          (base32
+            "1pcv5my49b8xzqcb87wqh2ndgvr4s9ipys96s0h9j2plxrj3bjb2"))))
+    (build-system cargo-build-system)
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/pistondevelopers/texture")
+    (synopsis "A generic library for textures")
+    (description
+      "This package provides a generic library for textures")
+    (license license:expat)))
+
+(define-public rust-piston-viewport-1.0
+  (package
+    (name "rust-piston-viewport")
+    (version "1.0.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "piston-viewport" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "16378hcy41b7x3zj2z4har0wq6fl4r62kf9p106jjl8hg2dv3aq1"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-piston-float" ,rust-piston-float-1.0))))
+    (home-page "https://github.com/PistonDevelopers/viewport")
+    (synopsis "Library for storing viewport information")
+    (description
+     "This package provides a library for storing viewport information.")
+    (license license:expat)))
+
+(define-public rust-piston-window-0.105
+  (package
+    (name "rust-piston-window")
+    (version "0.105.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "piston_window" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "05n2905gkp5ck25kbq95ia6pj1xz63dpp247jz3xcw1d41xpvi95"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-gfx-device-gl" ,rust-gfx-device-gl-0.16)
+        ("rust-gfx" ,rust-gfx-0.18)
+        ("rust-piston2d-graphics" ,rust-piston2d-graphics-0.35)
+        ("rust-piston" ,rust-piston-0.49)
+        ("rust-shader-version" ,rust-shader-version-0.6)
+        ("rust-pistoncore-glutin-window" ,rust-pistoncore-glutin-window-0.63)
+        ("rust-piston2d-gfx-graphics" ,rust-piston2d-gfx-graphics-0.66)
+        ("rust-piston-texture" ,rust-piston-texture-0.8))))
+    (home-page "https://github.com/pistondevelopers/piston_window")
+    (synopsis "Official Piston window wrapper for the Piston game engine")
+    (description
+     "The official Piston window wrapper for the Piston game engine.")
+    (license license:expat)))
+
+(define-public rust-piston2d-gfx-graphics-0.66
+  (package
+    (name "rust-piston2d-gfx-graphics")
+    (version "0.66.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "piston2d-gfx_graphics" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1pmlkf5rl6pr0c1lqm0059xwj9pwlws7gaq9w6r9d916di6fzki1"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-gfx" ,rust-gfx-0.18)
+        ("rust-piston-shaders-graphics2d" ,rust-piston-shaders-graphics2d-0.3)
+        ("rust-piston-gfx-texture" ,rust-piston-gfx-texture-0.40)
+        ("rust-shader-version" ,rust-shader-version-0.6)
+        ("rust-draw-state" ,rust-draw-state-0.8))))
+    (home-page "https://github.com/PistonDevelopers/gfx_graphics")
+    (synopsis "Gfx 2D back-end for the Piston game engine")
+    (description
+     "This package provides a Gfx 2D back-end for the Piston game engine.")
+    (license license:expat)))
+
+(define-public rust-piston2d-graphics-0.35
+  (package
+    (name "rust-piston2d-graphics")
+    (version "0.35.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "piston2d-graphics" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1dx2fanxc2pj76hc5l72x0fh4qg9gchjlr8rmbhdk6jpggcmq56g"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-interpolation" ,rust-interpolation-0.2)
+        ("rust-rusttype" ,rust-rusttype-0.7)
+        ("rust-piston-texture" ,rust-piston-texture-0.8)
+        ("rust-piston-viewport" ,rust-piston-viewport-1.0)
+        ("rust-read-color" ,rust-read-color-1.0)
+        ("rust-vecmath" ,rust-vecmath-1.0)
+        ("rust-fnv" ,rust-fnv-1.0))))
+    (home-page "https://github.com/pistondevelopers/graphics")
+    (synopsis "Library for 2D graphics that works with multiple back-ends")
+    (description "This package provides a library for 2D graphics that works
+with multiple back-ends.")
+    (license license:expat)))
+
+(define-public rust-pistoncore-event-loop-0.49
+  (package
+    (name "rust-pistoncore-event-loop")
+    (version "0.49.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "pistoncore-event_loop" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1h9ij9vx42xg39198yxdlpk842pli5jqm2kwswiv3bqqcji0fwsm"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-pistoncore-input" ,rust-pistoncore-input-0.28)
+        ("rust-pistoncore-window" ,rust-pistoncore-window-0.44))))
+    (home-page "https://github.com/PistonDevelopers/piston")
+    (synopsis "Piston event loop for games and interactive applications")
+    (description "This package provides a Piston event loop for games and
+interactive applications.")
+    (license license:expat)))
+
+(define-public rust-pistoncore-glutin-window-0.63
+  (package
+    (name "rust-pistoncore-glutin-window")
+    (version "0.63.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "pistoncore-glutin_window" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0dhbyxarv5i742d400bmqdqq3f8c25kcgcg0xavrc18dc913rixc"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-gl" ,rust-gl-0.11)
+        ("rust-glutin" ,rust-glutin-0.21)
+        ("rust-pistoncore-input" ,rust-pistoncore-input-0.28)
+        ("rust-pistoncore-window" ,rust-pistoncore-window-0.44)
+        ("rust-shader-version" ,rust-shader-version-0.6))))
+    (home-page "https://github.com/pistondevelopers/glutin_window")
+    (synopsis "Piston window back-end using the Glutin library")
+    (description
+     "This package provides a Piston window back-end using the Glutin library.")
+    (license license:expat)))
+
+(define-public rust-pistoncore-input-0.28
+  (package
+    (name "rust-pistoncore-input")
+    (version "0.28.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "pistoncore-input" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1rrcz9px098m3nx98gvrvzirfdp3vg03cblfkcrp4wnvswc0hwq5"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-piston-viewport" ,rust-piston-viewport-1.0)
+        ("rust-serde" ,rust-serde-1.0)
+        ("rust-serde-derive" ,rust-serde-derive-1.0)
+        ("rust-bitflags" ,rust-bitflags-1))))
+    (home-page "https://github.com/PistonDevelopers/piston")
+    (synopsis "Structure for user input")
+    (description
+     "This package provides a structure for user input.")
+    (license license:expat)))
+
+(define-public rust-pistoncore-window-0.44
+  (package
+    (name "rust-pistoncore-window")
+    (version "0.44.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "pistoncore-window" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "18qy3nnpb9jczvkiyzzznamck0pzgiyi6073jrkldnci6b3in10q"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-piston-graphics-api-version"
+         ,rust-piston-graphics-api-version-0.2)
+        ("rust-pistoncore-input" ,rust-pistoncore-input-0.28))))
+    (home-page "https://github.com/PistonDevelopers/piston")
+    (synopsis "Library for window abstraction")
+    (description
+     "This package provides a library for window abstraction.")
+    (license license:expat)))
+
 (define-public rust-pkg-config-0.3
   (package
     (name "rust-pkg-config")
@@ -13108,6 +15180,72 @@ used in Cargo build scripts.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-plist-0.4
+  (package
+    (name "rust-plist")
+    (version "0.4.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "plist" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0zqnxc5i4y6mj119vr0lzpb5j67vffpx2phhgh711533bw3ryajz"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-line-wrap" ,rust-line-wrap-0.1)
+        ("rust-base64" ,rust-base64-0.10)
+        ("rust-xml-rs" ,rust-xml-rs-0.8)
+        ("rust-serde" ,rust-serde-1.0)
+        ("rust-humantime" ,rust-humantime-1.3)
+        ("rust-byteorder" ,rust-byteorder-1.3))))
+    (home-page "https://github.com/ebarnard/rust-plist/")
+    (synopsis "Rusty plist parser")
+    (description
+     "This package provides a rusty plist parser.  Supports Serde serialization.")
+    (license license:expat)))
+
+(define-public rust-plotters-0.2
+  (package
+    (name "rust-plotters")
+    (version "0.2.12")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "plotters" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1ssycy9an23vs9hq098c7kl1dvp5ych20d994lhsw9vx4kdbhfsf"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-gif" ,rust-gif-0.10)
+        ("rust-piston-window" ,rust-piston-window-0.105)
+        ("rust-num-traits" ,rust-num-traits-0.2)
+        ("rust-wasm-bindgen" ,rust-wasm-bindgen-0.2)
+        ("rust-image" ,rust-image-0.22)
+        ("rust-js-sys" ,rust-js-sys-0.3)
+        ("rust-web-sys" ,rust-web-sys-0.3)
+        ("rust-font-kit" ,rust-font-kit-0.4)
+        ("rust-chrono" ,rust-chrono-0.4)
+        ("rust-palette" ,rust-palette-0.5)
+        ("rust-cairo-rs" ,rust-cairo-rs-0.7)
+        ("rust-rusttype" ,rust-rusttype-0.8)
+        ("rust-lazy-static" ,rust-lazy-static-1))))
+    (home-page "https://github.com/38/plotters")
+    (synopsis "Rust drawing library focus on data plotting")
+    (description
+     "This package provides a Rust drawing library focus on data plotting for
+both WASM and native applications")
+    (license license:expat)))
+
 (define-public rust-plugin-0.2
   (package
     (name "rust-plugin")
@@ -13332,11 +15470,119 @@ for x86.")
 dependency to expose a precomputed hash.")
     (license license:expat)))
 
-;; Cyclic dependencies with rust-demo-hack.
+(define-public rust-pretty-assertions-0.6
+  (package
+    (name "rust-pretty-assertions")
+    (version "0.6.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "pretty_assertions" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "09yl14gnmpygiqrdlsa64lcl4w6ydjl9m8jri6kgam0v9rjf309z"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-ctor" ,rust-ctor-0.1)
+        ("rust-output-vt100" ,rust-output-vt100-0.1)
+        ("rust-ansi-term" ,rust-ansi-term-0.11)
+        ("rust-difference" ,rust-difference-2.0))))
+    (home-page "https://github.com/colin-kiegel/rust-pretty-assertions")
+    (synopsis "Drop-in replacements for assert_eq! and assert_ne!")
+    (description
+     "Overwrite @code{assert_eq!} and @code{assert_ne!} with drop-in
+replacements, adding colorful diffs.")
+    (license (list license:expat license:asl2.0))))
+
+(define-public rust-pretty-env-logger-0.3
+  (package
+    (name "rust-pretty-env-logger")
+    (version "0.3.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "pretty_env_logger" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0x4hyjlnvvhyk9m74iypzybm22w3dl2k8img4b956239n5vf8zki"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-log" ,rust-log-0.4)
+        ("rust-chrono" ,rust-chrono-0.4)
+        ("rust-env-logger" ,rust-env-logger-0.6))))
+    (home-page "https://github.com/seanmonstar/pretty-env-logger")
+    (synopsis "Visually pretty env_logger")
+    (description "This package provides a visually pretty env_logger.")
+    (license (list license:expat license:asl2.0))))
+
+(define-public rust-proc-macro-error-0.4
+  (package
+    (name "rust-proc-macro-error")
+    (version "0.4.12")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "proc-macro-error" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1rvpaadwv7vmsp142qqh2axqrr9v78f1nvdsi9nhmfhy10kk1wqq"))))
+    (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build? #t
+        #:cargo-inputs
+        (("rust-proc-macro-error-attr" ,rust-proc-macro-error-attr-0.4)
+         ("rust-version-check" ,rust-version-check-0.9)
+         ("rust-proc-macro2" ,rust-proc-macro2-1.0)
+         ("rust-syn" ,rust-syn-1.0)
+         ("rust-quote" ,rust-quote-1.0))))
+    (home-page "https://gitlab.com/CreepySkeleton/proc-macro-error")
+    (synopsis "Almost drop-in replacement to panics in proc-macros")
+    (description
+     "Almost drop-in replacement to panics in proc-macros.")
+    (license (list license:expat license:asl2.0))))
+
+(define-public rust-proc-macro-error-attr-0.4
+  (package
+    (name "rust-proc-macro-error-attr")
+    (version "0.4.12")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "proc-macro-error-attr" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1pk9mwcfnpf8favgc2cl4sqlmi818p96hg8pfb51wg5nzmvlnnwa"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-syn-mid" ,rust-syn-mid-0.5)
+        ("rust-version-check" ,rust-version-check-0.9)
+        ("rust-proc-macro2" ,rust-proc-macro2-1.0)
+        ("rust-syn" ,rust-syn-1.0)
+        ("rust-quote" ,rust-quote-1.0))))
+    (home-page "https://gitlab.com/CreepySkeleton/proc-macro-error")
+    (synopsis "Attribute macro for proc-macro-error crate")
+    (description
+     "Attribute macro for proc-macro-error crate.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-proc-macro-hack-0.5
   (package
     (name "rust-proc-macro-hack")
-    (version "0.5.11")
+    (version "0.5.15")
     (source
      (origin
        (method url-fetch)
@@ -13345,15 +15591,15 @@ dependency to expose a precomputed hash.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "1idz5vmnjjhvr51yvwyjb45mza18wa53fr05m1skqvbdyw15gm7c"))))
+         "0qqbfm1byabjkph56r2rlvv4cliz4960j6hav3ljazyjqvkryr8d"))))
     (build-system cargo-build-system)
     (arguments
-     `(#:cargo-inputs
-       (("rust-proc-macro2" ,rust-proc-macro2-1.0)
-        ("rust-quote" ,rust-quote-1.0)
-        ("rust-syn" ,rust-syn-1.0))
-       #:cargo-development-inputs
-       (("rust-demo-hack" ,rust-demo-hack-0.0)
+     `(#:cargo-development-inputs
+       (("rust-quote" ,rust-quote-1.0)
+        ("rust-rustversion" ,rust-rustversion-1.0)
+        ("rust-syn" ,rust-syn-1.0)
+        ("rust-trybuild" ,rust-trybuild-1.0)
+        ("rust-demo-hack" ,rust-demo-hack-0.0)
         ("rust-demo-hack-impl" ,rust-demo-hack-impl-0.0))))
     (home-page "https://github.com/dtolnay/proc-macro-hack")
     (synopsis
@@ -13429,7 +15675,7 @@ dependency to expose a precomputed hash.")
 (define-public rust-proc-macro2-1.0
   (package
     (name "rust-proc-macro2")
-    (version "1.0.8")
+    (version "1.0.10")
     (source
       (origin
         (method url-fetch)
@@ -13437,7 +15683,7 @@ dependency to expose a precomputed hash.")
         (file-name (string-append name "-" version ".crate"))
         (sha256
          (base32
-          "0j45p176fnw0d02dzcky9sxyr4fadiggq07skmblwspqdxy33jrs"))))
+          "1qxbnl8i3a5b2nxb8kdxbq6kj3pd1ckhm35wm7z3jd7n5wlns96z"))))
     (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs
@@ -13465,11 +15711,39 @@ in terms of the upstream unstable API.")
          (base32
           "0nd71fl24sys066jrha6j7i34nfkjv44yzw8yww9742wmc8j0gfg"))))
     (arguments
-     `(#:cargo-inputs
+     `(#:tests? #f      ; doc tests fail
+       #:cargo-inputs
        (("rust-unicode-xid" ,rust-unicode-xid-0.1))
        #:cargo-development-inputs
        (("rust-quote" ,rust-quote-0.6))))))
 
+(define-public rust-proc-macro2-0.3
+  (package
+    (name "rust-proc-macro2")
+    (version "0.3.8")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "proc-macro2" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1ryaynnaj39l4zphcg5w8wszndd80vsrv89m5d2293gl6pry41hv"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-unicode-xid" ,rust-unicode-xid-0.1))))
+    (home-page "https://github.com/alexcrichton/proc-macro2")
+    (synopsis
+     "Substitute implementation of the compiler's `proc_macro` API")
+    (description
+     "This package provides a substitute implementation of the compiler's
+@code{proc_macro} API to decouple token-based libraries from the procedural
+macro use case.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-procedural-masquerade-0.1
   (package
     (name "rust-procedural-masquerade")
@@ -13617,6 +15891,31 @@ stack pointer and inspect the properties of the stack.")
      "This package provides a pull parser for CommonMark.")
     (license license:expat)))
 
+(define-public rust-pulldown-cmark-0.2
+  (package
+    (name "rust-pulldown-cmark")
+    (version "0.2.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "pulldown-cmark" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "05gfnqa0wzix5m17jrmgj0yyr9sflqm0knn79ndppsnhcan2zxgf"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-getopts" ,rust-getopts-0.2)
+        ("rust-bitflags" ,rust-bitflags-1))))
+    (home-page "https://github.com/raphlinus/pulldown-cmark")
+    (synopsis "Pull parser for CommonMark")
+    (description
+     "This package provides a pull parser for CommonMark.")
+    (license license:expat)))
+
 (define-public rust-quantiles-0.7
   (package
     (name "rust-quantiles")
@@ -13916,7 +16215,7 @@ integers, floats, tuples, booleans, lists, strings, options and results.")
 (define-public rust-quote-1.0
   (package
     (name "rust-quote")
-    (version "1.0.2")
+    (version "1.0.3")
     (source
       (origin
         (method url-fetch)
@@ -13924,13 +16223,13 @@ integers, floats, tuples, booleans, lists, strings, options and results.")
         (file-name (string-append name "-" version ".crate"))
         (sha256
          (base32
-          "1zkc46ryacf2jdkc6krsy2z615xbk1x8kp1830rcxz3irj5qqfh5"))))
+          "0zwd6fp74xfg4jnnnwj4v84lkzif2giwj4ch1hka9g35ghc6rp1b"))))
     (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs
        (("rust-proc-macro2" ,rust-proc-macro2-1.0))
        #:cargo-development-inputs
-       (("rust-rustversion" ,rust-rustversion-0.1)
+       (("rust-rustversion" ,rust-rustversion-1.0)
         ("rust-trybuild" ,rust-trybuild-1.0))))
     (home-page "https://github.com/dtolnay/quote")
     (synopsis "Quasi-quoting macro quote!(...)")
@@ -13953,6 +16252,25 @@ integers, floats, tuples, booleans, lists, strings, options and results.")
     (arguments
      `(#:cargo-inputs (("rust-proc-macro2" ,rust-proc-macro2-0.4))))))
 
+(define-public rust-quote-0.5
+  (package
+    (inherit rust-quote-0.6)
+    (name "rust-quote")
+    (version "0.5.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "quote" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1s01fh0jl8qv4xggs85yahw0h507nzrxkjbf7vay3zw8d3kcyjcr"))))
+    (arguments
+      `(#:skip-build? #t
+        #:cargo-inputs
+        (("rust-proc-macro2" ,rust-proc-macro2-0.3))))))
+
 (define-public rust-quote-0.3
   (package
     (inherit rust-quote-0.6)
@@ -14107,7 +16425,7 @@ useful types and distributions, and some randomness-related algorithms.")
 (define-public rust-rand-chacha-0.2
   (package
     (name "rust-rand-chacha")
-    (version "0.2.1")
+    (version "0.2.2")
     (source
      (origin
        (method url-fetch)
@@ -14116,7 +16434,7 @@ useful types and distributions, and some randomness-related algorithms.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "0lv8imzzl4h2glm6sjj8mkvasgi8jym23ya48dakyln7m06sk8h3"))))
+         "00il36fkdbsmpr99p9ksmmp6dn1md7rmnwmz0rr77jbrca2yvj7l"))))
     (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs
@@ -14811,6 +17129,29 @@ reference counting.")
 @code{rdrand} and @code{rdseed} instructions")
     (license license:isc)))
 
+(define-public rust-read-color-1.0
+  (package
+    (name "rust-read-color")
+    (version "1.0.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "read_color" version))
+        (file-name
+          (string-append name "-" version ".tar.gz"))
+        (sha256
+          (base32
+            "1np0pk31ak7hni4hri3m75mbf8py1wdfjshmrj5krbd4p9c8hk4z"))))
+    (build-system cargo-build-system)
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/pistondevelopers/read_color")
+    (synopsis
+      "A simple library for reading hex colors")
+    (description
+      "This package provides a simple library for reading hex colors")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-recycler-0.1
   (package
     (name "rust-recycler")
@@ -14880,7 +17221,7 @@ system calls.")
 (define-public rust-redox-users-0.3
   (package
     (name "rust-redox-users")
-    (version "0.3.1")
+    (version "0.3.4")
     (source
      (origin
        (method url-fetch)
@@ -14889,15 +17230,14 @@ system calls.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "0vdn688q9wg997b1x5abx2gf7406rn1lvd62ypcgh1gj7g5dpkjf"))))
+         "0cbl5w16l3bqm22i4vszclf6hzpljxicghmllw7j13az4s9k1ch9"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
-       (("rust-failure" ,rust-failure-0.1)
-        ("rust-rand-os" ,rust-rand-os-0.1)
+       (("rust-getrandom" ,rust-getrandom-0.1)
         ("rust-redox-syscall" ,rust-redox-syscall-0.1)
-        ("rust-rust-argon2" ,rust-rust-argon2-0.5))))
+        ("rust-rust-argon2" ,rust-rust-argon2-0.7))))
     (home-page "https://gitlab.redox-os.org/redox-os/users")
     (synopsis "Access Redox users and groups")
     (description
@@ -15000,7 +17340,7 @@ functionality.")
 (define-public rust-regex-1.3
   (package
     (name "rust-regex")
-    (version "1.3.4")
+    (version "1.3.6")
     (source
      (origin
        (method url-fetch)
@@ -15009,12 +17349,12 @@ functionality.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "1a1mh9mgr8jipnxdaykla6xlw4a6kjn2bzkq3cifx8xy4ivzjb1j"))))
+         "1cx4lcgy7vdi2kij2n1dp2whl33d7974g1kxwiklhs192nclcsbz"))))
     (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs
        (("rust-aho-corasick" ,rust-aho-corasick-0.7)
-        ("rust-memchr" ,rust-memchr-2.2)
+        ("rust-memchr" ,rust-memchr-2.3)
         ("rust-regex-syntax" ,rust-regex-syntax-0.6)
         ("rust-thread-local" ,rust-thread-local-1.0))
        #:cargo-development-inputs
@@ -15115,7 +17455,7 @@ uses finite automata and guarantees linear time matching on all inputs.")
 (define-public rust-regex-automata-0.1
   (package
     (name "rust-regex-automata")
-    (version "0.1.7")
+    (version "0.1.9")
     (source
      (origin
        (method url-fetch)
@@ -15124,21 +17464,22 @@ uses finite automata and guarantees linear time matching on all inputs.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "11hzn3rz02vdgvx3ykhrbzkvs5c5sm59fyi3xwljn9qc48br5l1y"))))
+         "1r3aqa9c0s9sfrmd2w0mli16ldjzbar0rzb1x7srfjkasrqys7df"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
-       (("rust-byteorder" ,rust-byteorder-1.3)
-        ("rust-regex-syntax" ,rust-regex-syntax-0.6)
-        ("rust-utf8-ranges" ,rust-utf8-ranges-1.0))
+       (("rust-fst" ,rust-fst-0.4)
+        ("rust-byteorder" ,rust-byteorder-1.3)
+        ("rust-regex-syntax" ,rust-regex-syntax-0.6))
        #:cargo-development-inputs
-       (("rust-lazy-static" ,rust-lazy-static-1)
+       (("rust-bstr" ,rust-bstr-0.2)
+        ("rust-lazy-static" ,rust-lazy-static-1)
         ("rust-regex" ,rust-regex-1.1)
         ("rust-serde" ,rust-serde-1.0)
         ("rust-serde-bytes" ,rust-serde-bytes-0.11)
         ("rust-serde-derive" ,rust-serde-derive-1.0)
-        ("rust-toml" ,rust-toml-0.5))))
+        ("rust-toml" ,rust-toml-0.5)))) ; 0.4
     (home-page "https://github.com/BurntSushi/regex-automata")
     (synopsis
      "Automata construction and matching using regular expressions")
@@ -15149,7 +17490,7 @@ uses finite automata and guarantees linear time matching on all inputs.")
 (define-public rust-regex-syntax-0.6
   (package
     (name "rust-regex-syntax")
-    (version "0.6.14")
+    (version "0.6.17")
     (source
       (origin
         (method url-fetch)
@@ -15157,7 +17498,7 @@ uses finite automata and guarantees linear time matching on all inputs.")
         (file-name (string-append name "-" version ".crate"))
         (sha256
          (base32
-          "01myl8xqpbnird23xnsb92sjmz1cmp69r6m7y3dwbpmsx4zzx3dj"))))
+          "1blmlgzcg7in3kcxqabpfzzrbnamr2i671flbrmlqhfps5bvvrbz"))))
     (build-system cargo-build-system)
     (home-page "https://github.com/rust-lang/regex")
     (synopsis "Regular expression parser")
@@ -15230,6 +17571,30 @@ uses finite automata and guarantees linear time matching on all inputs.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-reopen-0.3
+  (package
+    (name "rust-reopen")
+    (version "0.3.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "reopen" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "12b3mfxkwb8akdfa701nzvqr6lsc6n84vrq088gmjy8lxlmr4an6"))))
+    (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build? #t
+        #:cargo-inputs
+        (("rust-signal-hook" ,rust-signal-hook-0.1)
+         ("rust-libc" ,rust-libc-0.2))))
+    (home-page "https://github.com/vorner/reopen")
+    (synopsis "File reopening utility")
+    (description "File reopening utility.")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-resolv-conf-0.6
   (package
     (name "rust-resolv-conf")
@@ -15284,6 +17649,35 @@ uses finite automata and guarantees linear time matching on all inputs.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-rust-argon2-0.7
+  (package
+    (name "rust-rust-argon2")
+    (version "0.7.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "rust-argon2" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "05xh5wfxgzq3b6jys8r34f3hmqqfs8ylvf934n9z87wfv95szj1b"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-constant-time-eq" ,rust-constant-time-eq-0.1)
+        ("rust-base64" ,rust-base64-0.11)
+        ("rust-blake2b-simd" ,rust-blake2b-simd-0.5)
+        ("rust-crossbeam-utils" ,rust-crossbeam-utils-0.7))))
+    (home-page "https://github.com/sru-systems/rust-argon2")
+    (synopsis
+     "Rust implementation of the Argon2 password hashing function")
+    (description
+     "This package provides a Rust implementation of the Argon2 password
+hashing function.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-rust-argon2-0.5
   (package
     (name "rust-rust-argon2")
@@ -15312,6 +17706,112 @@ uses finite automata and guarantees linear time matching on all inputs.")
 password hashing function.")
     (license (list license:expat license:asl2.0))))
 
+(define-public rust-rust-hawktracer-0.7
+  (package
+    (name "rust-rust-hawktracer")
+    (version "0.7.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "rust_hawktracer" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1h9an3b73pmhhpzc2kk93nh93lplkvsffysj0rp6rxi7p4lhlj73"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-rust-hawktracer-normal-macro"
+         ,rust-rust-hawktracer-normal-macro-0.4)
+        ("rust-rust-hawktracer-proc-macro"
+         ,rust-rust-hawktracer-proc-macro-0.4))))
+    (home-page "https://github.com/AlexEne/rust_hawktracer")
+    (synopsis "Rust bindings for hawktracer profiling library")
+    (description
+     "Rust bindings for hawktracer profiling library.")
+    (license (list license:expat license:asl2.0))))
+
+(define-public rust-rust-hawktracer-proc-macro-0.4
+  (package
+    (name "rust-rust-hawktracer-proc-macro")
+    (version "0.4.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "rust_hawktracer_proc_macro" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1qfksscfv8rbbzv2zb0i9sbbqmig0dr0vrma3c1kzsfmpsynlqnb"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-rust-hawktracer-sys" ,rust-rust-hawktracer-sys-0.4))))
+    (home-page "https://github.com/AlexEne/rust_hawktracer_proc_macro")
+    (synopsis
+     "Helper crate for hawktracer profiling library")
+    (description
+     "This package is a helper crate for hawktracer profiling library.")
+    (license (list license:expat license:asl2.0))))
+
+(define-public rust-rust-hawktracer-normal-macro-0.4
+  (package
+    (name "rust-rust-hawktracer-normal-macro")
+    (version "0.4.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri
+               "rust_hawktracer_normal_macro"
+               version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1sfjmipdbb5s498c150czr6wihjlkwwgla2jyg3cs7cyjich0mwa"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-rust-hawktracer-sys" ,rust-rust-hawktracer-sys-0.4))))
+    (home-page "https://github.com/AlexEne/rust_hawktracer_normal_macro")
+    (synopsis "Helper crate for hawktracer profiling library")
+    (description
+     "This package provides a helper crate for hawktracer profiling library.")
+    (license (list license:expat license:asl2.0))))
+
+(define-public rust-rust-hawktracer-sys-0.4
+  (package
+    (name "rust-rust-hawktracer-sys")
+    (version "0.4.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "rust_hawktracer_sys" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "15acrj881y2g7cwsgf1nr22cixrknp8m4x08dkx1an6zf4q8bk37"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-cmake" ,rust-cmake-0.1)
+        ("rust-pkg-config" ,rust-pkg-config-0.3)
+        ("rust-bindgen" ,rust-bindgen-0.37)
+        ("rust-itertools" ,rust-itertools-0.8))))
+    (home-page "https://github.com/AlexEne/rust_hawktracer_sys")
+    (synopsis
+     "Sys crate for the rust_hawktracer library")
+    (description
+     "This package provides a sys crate for the rust_hawktracer library.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-rustc-demangle-0.1
   (package
     (name "rust-rustc-demangle")
@@ -15337,6 +17837,29 @@ password hashing function.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-rustc-hash-1.1
+  (package
+    (name "rust-rustc-hash")
+    (version "1.1.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "rustc-hash" version))
+        (file-name
+          (string-append name "-" version ".tar.gz"))
+        (sha256
+          (base32
+            "1qkc5khrmv5pqi5l5ca9p5nl5hs742cagrndhbrlk3dhlrx3zm08"))))
+    (build-system cargo-build-system)
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/rust-lang-nursery/rustc-hash")
+    (synopsis
+      "speed, non-cryptographic hash used in rustc")
+    (description
+      "speed, non-cryptographic hash used in rustc")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-rustc-hash-1.0
   (package
     (name "rust-rustc-hash")
@@ -15728,7 +18251,7 @@ using a fork-like interface.")
 (define-public rust-ryu-1.0
   (package
     (name "rust-ryu")
-    (version "1.0.2")
+    (version "1.0.3")
     (source
       (origin
         (method url-fetch)
@@ -15736,14 +18259,15 @@ using a fork-like interface.")
         (file-name (string-append name "-" version ".crate"))
         (sha256
          (base32
-          "1j0h74f1xqf9hjkhanp8i20mqc1aw35kr1iq9i79q7713mn51a5z"))))
+          "0xlx9ybzncrb7d6r9533g8ydlg6mr252pfzl4g9cqaqkpvk24mjk"))))
     (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs
        (("rust-no-panic" ,rust-no-panic-0.1))
        #:cargo-development-inputs
        (("rust-num-cpus" ,rust-num-cpus-1.11)
-        ("rust-rand" ,rust-rand-0.5))))
+        ("rust-rand" ,rust-rand-0.7)
+        ("rust-rand-xorshift" ,rust-rand-xorshift-0.2))))
     (home-page "https://github.com/dtolnay/ryu")
     (synopsis "Fast floating point to string conversion")
     (description
@@ -15820,6 +18344,30 @@ paths point to the same file.")
        #:cargo-development-inputs
        (("rust-rand" ,rust-rand-0.3))))))
 
+(define-public rust-scan-fmt-0.2
+  (package
+    (name "rust-scan-fmt")
+    (version "0.2.5")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "scan_fmt" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1gmaa07z8bkkdv5xhq2lrgml6ri7fqyyrjpiks3phmpmq3p8d0i4"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-regex" ,rust-regex-1.3))))
+    (home-page "https://github.com/wlentz/scan_fmt")
+    (synopsis "Simple scanf()-like input for Rust")
+    (description
+     "This package provides a simple scanf()-like input for Rust")
+    (license license:expat)))
+
 (define-public rust-schannel-0.1
   (package
     (name "rust-schannel")
@@ -15949,6 +18497,31 @@ with one of the implemented strategies.")
          (base32
           "09sy9wbqp409pkwmqni40qmwa99ldqpl48pp95m1xw8sc19qy9cl"))))))
 
+(define-public rust-scroll-0.10
+  (package
+    (name "rust-scroll")
+    (version "0.10.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "scroll" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1cbcns8538sqmfnmdbphqy0fd4j8z75z802pvmz3zlwmnln37cmb"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-scroll-derive" ,rust-scroll-derive-0.10))))
+    (home-page "https://github.com/m4b/scroll")
+    (synopsis "Endian-aware Read/Write traits for byte buffers")
+    (description
+     "This package provides a suite of powerful, extensible, generic,
+endian-aware Read/Write traits for byte buffers.")
+    (license license:expat)))
+
 (define-public rust-scroll-0.9
   (package
     (name "rust-scroll")
@@ -15978,6 +18551,33 @@ with one of the implemented strategies.")
 endian-aware Read/Write traits for byte buffers.")
     (license license:expat)))
 
+(define-public rust-scroll-derive-0.10
+  (package
+    (name "rust-scroll-derive")
+    (version "0.10.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "scroll_derive" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0a7f0xybi27p1njs4bqmxh9zyb2dqal4dbvgnhjjix4zkgm4wn7q"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-proc-macro2" ,rust-proc-macro2-1.0)
+        ("rust-syn" ,rust-syn-1.0)
+        ("rust-quote" ,rust-quote-1.0))))
+    (home-page "https://github.com/m4b/scroll")
+    (synopsis "Pread and Pwrite traits from the scroll crate")
+    (description
+     "This package provides a macros 1.1 derive implementation for Pread and
+Pwrite traits from the scroll crate.")
+    (license license:expat)))
+
 (define-public rust-scroll-derive-0.9
   (package
     (name "rust-scroll-derive")
@@ -16182,7 +18782,7 @@ proven statistical guarantees.")
 (define-public rust-serde-1.0
   (package
     (name "rust-serde")
-    (version "1.0.104")
+    (version "1.0.105")
     (source
       (origin
         (method url-fetch)
@@ -16190,7 +18790,7 @@ proven statistical guarantees.")
         (file-name (string-append name "-" version ".crate"))
         (sha256
          (base32
-          "0ja4mgw4p42syjk7jkzwhj2yg6llfrfm7vn8rvy7v3c1bzr1aha1"))))
+          "1zrj157dxvmymp5ii60anap2qqks4pkr3fwsp71wi3sv4nzzn1z7"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
@@ -16425,7 +19025,7 @@ for the serde framework.")
 (define-public rust-serde-derive-1.0
   (package
     (name "rust-serde-derive")
-    (version "1.0.104")
+    (version "1.0.105")
     (source
       (origin
         (method url-fetch)
@@ -16433,7 +19033,7 @@ for the serde framework.")
         (file-name (string-append name "-" version ".crate"))
         (sha256
          (base32
-          "0r7gjlwfry44b4ylz524ynjp9v3qiwdj4c588lh94aas78q9x3qj"))))
+          "1y5gzwpy8yjv9pwh1js11vr18nfz4gg1g2kmyr6p58hvavy00pdc"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
@@ -16480,7 +19080,7 @@ for the serde framework.")
 (define-public rust-serde-json-1.0
   (package
     (name "rust-serde-json")
-    (version "1.0.44")
+    (version "1.0.50")
     (source
       (origin
         (method url-fetch)
@@ -16488,18 +19088,21 @@ for the serde framework.")
         (file-name (string-append name "-" version ".crate"))
         (sha256
          (base32
-          "1mysl675nqhzzkbcrqy4x63cbbsrrx3gcc7k8ydx1gajrkh7bia8"))))
+          "0rs8rsk59kgkgsrw8hyyjrlhas9k1by2jwxxqcz3c2bq2qna39vq"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
-       (("rust-indexmap" ,rust-indexmap-1.0)
+       (("rust-indexmap" ,rust-indexmap-1.3)
         ("rust-itoa" ,rust-itoa-0.4)
         ("rust-ryu" ,rust-ryu-1.0)
         ("rust-serde" ,rust-serde-1.0))
        #:cargo-development-inputs
-       (("rust-serde-bytes" ,rust-serde-bytes-0.11)
+       (;("rust-automod" ,rust-automod-0.1)
+        ("rust-rustversion" ,rust-rustversion-1.0)
+        ("rust-serde-bytes" ,rust-serde-bytes-0.11)
         ("rust-serde-derive" ,rust-serde-derive-1.0)
+        ;("rust-serde-stacker" ,rust-serde-stacker-0.1)
         ("rust-trybuild" ,rust-trybuild-1.0))))
     (home-page "https://github.com/serde-rs/json")
     (synopsis "JSON serialization file format")
@@ -16571,7 +19174,7 @@ for the serde framework.")
 (define-public rust-serde-test-1.0
   (package
     (name "rust-serde-test")
-    (version "1.0.101")
+    (version "1.0.105")
     (source
      (origin
        (method url-fetch)
@@ -16580,7 +19183,7 @@ for the serde framework.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "0070ycbh47yhxb5vxwa15vi2wpdkw3v1m14v4mjryz1568fqkbsa"))))
+         "1vnp0wld20z1wjr8qp2hxcy6yh2zhicg1mfb0qrzxgwq2a4n6raa"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
@@ -16876,6 +19479,32 @@ for the serde framework.")
      "Assembly implementation of SHA-1 compression function.")
     (license license:expat)))
 
+(define-public rust-shader-version-0.6
+  (package
+    (name "rust-shader-version")
+    (version "0.6.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "shader_version" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1yk651xc9irl3pl0rlplypzyzy44d0j03ji0j7hjjdjknwzpi3j7"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-piston-graphics-api-version"
+         ,rust-piston-graphics-api-version-0.2))))
+    (home-page "https://github.com/pistondevelopers/shader_version")
+    (synopsis
+     "Helper library for detecting and picking compatible shaders")
+    (description "This package provides a helper library for detecting and
+picking compatible shaders.")
+    (license license:expat)))
+
 (define-public rust-shared-child-0.3
   (package
     (name "rust-shared-child")
@@ -17097,6 +19726,54 @@ CPUs, as well as raw interfaces to platform-specific instructions.
        #:cargo-development-inputs
        (("rust-cfg-if" ,rust-cfg-if-0.1))))))
 
+(define-public rust-simd-helpers-0.1
+  (package
+    (name "rust-simd-helpers")
+    (version "0.1.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "simd_helpers" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "19idqicn9k4vhd04ifh2ff41wvna79zphdf2c81rlmpc7f3hz2cm"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-quote" ,rust-quote-1.0))))
+    (home-page "https://github.com/lu-zero/simd_helpers")
+    (synopsis "Helpers to write more compact simd code")
+    (description
+     "This package provides helpers to write more compact simd code.")
+    (license license:expat)))
+
+(define-public rust-siphasher-0.3
+  (package
+    (name "rust-siphasher")
+    (version "0.3.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "siphasher" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "08xvk3yi4vawppm1f81s4zrkksf95psz8gczh36y808candgi24f"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-serde" ,rust-serde-1.0))))
+    (home-page "https://docs.rs/siphasher")
+    (synopsis "SipHash-2-4, SipHash-1-3 and 128-bit variants in pure Rust")
+    (description "This package provides SipHash-2-4, SipHash-1-3 and 128-bit
+variants in pure Rust.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-siphasher-0.2
   (package
     (name "rust-siphasher")
@@ -17117,6 +19794,37 @@ CPUs, as well as raw interfaces to platform-specific instructions.
      "SipHash functions from rust-core < 1.13.")
     (license (list license:asl2.0 license:expat))))
 
+(define-public rust-skeptic-0.13
+  (package
+    (name "rust-skeptic")
+    (version "0.13.4")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "skeptic" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0rai61hbs65nbvbhqlk1nap5hlav5qx3zmjjjzh9rhgxagc8xyyn"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-error-chain" ,rust-error-chain-0.12)
+        ("rust-pulldown-cmark" ,rust-pulldown-cmark-0.2)
+        ("rust-glob" ,rust-glob-0.2)
+        ("rust-tempdir" ,rust-tempdir-0.3)
+        ("rust-bytecount" ,rust-bytecount-0.4)
+        ("rust-cargo-metadata" ,rust-cargo-metadata-0.6)
+        ("rust-serde-json" ,rust-serde-json-1.0)
+        ("rust-walkdir" ,rust-walkdir-2.3))))
+    (home-page "https://github.com/budziq/rust-skeptic")
+    (synopsis "Test your Rust markdown documentation via Cargo")
+    (description
+     "Test your Rust markdown documentation via Cargo.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-slab-0.4
   (package
     (name "rust-slab")
@@ -17166,6 +19874,33 @@ data type.")
      "Rust FFI bindings to the SLEEF Vectorized Math Library.")
     (license (list license:asl2.0 license:expat))))
 
+(define-public rust-slog-2.5
+  (package
+    (name "rust-slog")
+    (version "2.5.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "slog" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "16bv6zrdn1sm315vbnia02g31xvsmbjyz5gv3z0vrgxdli0cdj8w"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-erased-serde" ,rust-erased-serde-0.3))))
+    (home-page "https://github.com/slog-rs/slog")
+    (synopsis "Structured, extensible, composable logging for Rust")
+    (description
+     "This package provides structured, extensible, composable logging for Rust.")
+    (license
+      (list license:mpl2.0
+            license:expat
+            license:asl2.0))))
+
 (define-public rust-slog-2.4
   (package
     (name "rust-slog")
@@ -17936,6 +20671,32 @@ and Jaro-Winkler.")
         (base32
          "0z3zzvmilfldp4xw42qbkjf901dcnbk58igrzsvivydjzd24ry37"))))))
 
+(define-public rust-structopt-0.3
+  (package
+    (name "rust-structopt")
+    (version "0.3.12")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "structopt" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "178m7wxnjyy9a8a961z74nazjsg79rfv3gv9g3bykfrrjmqs5yn8"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-structopt-derive" ,rust-structopt-derive-0.4)
+        ("rust-lazy-static" ,rust-lazy-static-1)
+        ("rust-clap" ,rust-clap-2))))
+    (home-page "https://github.com/TeXitoi/structopt")
+    (synopsis "Parse command line argument by defining a struct")
+    (description
+     "Parse command line argument by defining a struct.")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-structopt-0.2
   (package
     (name "rust-structopt")
@@ -17960,6 +20721,34 @@ and Jaro-Winkler.")
      "Parse command line arguments by defining a struct.")
     (license (list license:asl2.0 license:expat))))
 
+(define-public rust-structopt-derive-0.4
+  (package
+    (name "rust-structopt-derive")
+    (version "0.4.5")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "structopt-derive" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0c04bbzc5bmr2ns6qy35yz55nn3xvlq4dpwxdynnljb9ikhvi21z"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-heck" ,rust-heck-0.3)
+        ("rust-proc-macro-error" ,rust-proc-macro-error-0.4)
+        ("rust-proc-macro2" ,rust-proc-macro2-1.0)
+        ("rust-syn" ,rust-syn-1.0)
+        ("rust-quote" ,rust-quote-1.0))))
+    (home-page "https://github.com/TeXitoi/structopt")
+    (synopsis "Parse command line argument by defining a struct, derive crate")
+    (description
+     "Parse command line argument by defining a struct, derive crate.")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-structopt-derive-0.2
   (package
     (name "rust-structopt-derive")
@@ -18008,10 +20797,61 @@ and Jaro-Winkler.")
 cryptographic implementations.")
     (license license:bsd-3)))
 
+(define-public rust-sval-0.4
+  (package
+    (name "rust-sval")
+    (version "0.4.7")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "sval" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1aljggx64481q4wp3wx9hxsfh2bs7d64nqsrwbb2zxcpmdnbn6yk"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-sval-derive" ,rust-sval-derive-0.4)
+        ("rust-smallvec" ,rust-smallvec-0.6)
+        ("rust-serde" ,rust-serde-1.0))))
+    (home-page "https://github.com/sval-rs/sval")
+    (synopsis "No-std, object-safe serialization framework")
+    (description
+     "This package provides a no-std, object-safe serialization framework.")
+    (license (list license:asl2.0 license:expat))))
+
+(define-public rust-sval-derive-0.4
+  (package
+    (name "rust-sval-derive")
+    (version "0.4.7")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "sval_derive" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "07s7jqsdczsg0wnydfnxyrsj8zyrjmiwl4is1dfgn8dfvyi8n2bj"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-proc-macro2" ,rust-proc-macro2-1.0)
+        ("rust-syn" ,rust-syn-1.0)
+        ("rust-quote" ,rust-quote-1.0))))
+    (home-page "https://github.com/sval-rs/sval")
+    (synopsis "Custom derive for sval")
+    (description "Custom derive for sval.")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-syn-1.0
   (package
     (name "rust-syn")
-    (version "1.0.5")
+    (version "1.0.17")
     (source
       (origin
         (method url-fetch)
@@ -18019,12 +20859,28 @@ cryptographic implementations.")
         (file-name (string-append name "-" version ".crate"))
         (sha256
          (base32
-          "1gw03w7lzrlqmp2vislcybikgl5wkhrqi6sy70w93xss2abhx1b6"))))
+          "00xvf772ys4fj9fr8kplmsqb9if215dsipi3nv54aw9q7xkfpw0d"))))
     (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-unicode-xid" ,rust-unicode-xid-0.2)
+        ("rust-proc-macro2" ,rust-proc-macro2-1.0)
+        ("rust-quote" ,rust-quote-1.0))
+       #:cargo-development-inputs
+       (("rust-anyhow" ,rust-anyhow-1.0)
+        ("rust-flate2" ,rust-flate2-1.0)
+        ;("rust-insta" ,rust-insta-0.12)
+        ("rust-rayon" ,rust-rayon-1.3)
+        ("rust-ref-cast" ,rust-ref-cast-1.0)
+        ("rust-regex" ,rust-regex-1.3)
+        ;("rust-reqwest" ,rust-reqwest-0.10)
+        ("rust-tar" ,rust-tar-0.4)
+        ("rust-termcolor" ,rust-termcolor-1.0)
+        ("rust-walkdir" ,rust-walkdir-2.3))))
     (home-page "https://github.com/dtolnay/syn")
     (synopsis "Parser for Rust source code")
     (description "Parser for Rust source code")
-    (properties '((hidden? . #t)))
     (license (list license:expat license:asl2.0))))
 
 (define-public rust-syn-0.15
@@ -18088,6 +20944,33 @@ cryptographic implementations.")
         ("rust-tempdir" ,rust-tempdir-0.3)
         ("rust-walkdir" ,rust-walkdir-1.0))))))
 
+(define-public rust-syn-mid-0.5
+  (package
+    (name "rust-syn-mid")
+    (version "0.5.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "syn-mid" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "12ikg5jfklixq0wsgfl7sdzjqlxgq50ygklxy4f972hjdjgm7qvv"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-proc-macro2" ,rust-proc-macro2-1.0)
+        ("rust-syn" ,rust-syn-1.0)
+        ("rust-quote" ,rust-quote-1.0))))
+    (home-page "https://github.com/taiki-e/syn-mid")
+    (synopsis
+     "Provide the features between \"full\" and \"derive\" of syn.")
+    (description
+     "This package provides the features between \"full\" and \"derive\" of syn.")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-synom-0.11
   (package
     (name "rust-synom")
@@ -18121,6 +21004,33 @@ cryptographic implementations.")
      "Stripped-down Nom parser used by Syn.")
     (license (list license:expat license:asl2.0))))
 
+(define-public rust-synstructure-0.12
+  (package
+    (name "rust-synstructure")
+    (version "0.12.3")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "synstructure" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0igmc5fzpk6fg7kgff914j05lbpc6ai2wmji312v2h8vvjhnwrb7"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-unicode-xid" ,rust-unicode-xid-0.2)
+        ("rust-proc-macro2" ,rust-proc-macro2-1.0)
+        ("rust-syn" ,rust-syn-1.0)
+        ("rust-quote" ,rust-quote-1.0))))
+    (home-page "https://github.com/mystor/synstructure")
+    (synopsis "Helper methods and macros for custom derives")
+    (description
+     "This package provides helper methods and macros for custom derives.")
+    (license license:expat)))
+
 (define-public rust-synstructure-0.10
   (package
     (name "rust-synstructure")
@@ -18168,6 +21078,44 @@ cryptographic implementations.")
      "This package provides helper test traits for synstructure doctests.")
     (license license:expat)))
 
+(define-public rust-syntect-3.3
+  (package
+    (name "rust-syntect")
+    (version "3.3.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "syntect" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1f6qn1yy15b0hq9h6q1rikqnm3lh56ic6bq3ywsmdsjy8ni9splm"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-plist" ,rust-plist-0.4)
+        ("rust-yaml-rust" ,rust-yaml-rust-0.4)
+        ("rust-regex-syntax" ,rust-regex-syntax-0.6)
+        ("rust-serde" ,rust-serde-1.0)
+        ("rust-serde-derive" ,rust-serde-derive-1.0)
+        ("rust-flate2" ,rust-flate2-1.0)
+        ("rust-serde-json" ,rust-serde-json-1.0)
+        ("rust-fnv" ,rust-fnv-1.0)
+        ("rust-bitflags" ,rust-bitflags-1)
+        ("rust-lazycell" ,rust-lazycell-1.2)
+        ("rust-bincode" ,rust-bincode-1.2)
+        ("rust-lazy-static" ,rust-lazy-static-1)
+        ("rust-walkdir" ,rust-walkdir-2.3)
+        ("rust-onig" ,rust-onig-5.0))))
+    (home-page "https://github.com/trishume/syntect")
+    (synopsis "Library for syntax highlighting and code intelligence")
+    (description
+     "This package provides a library for syntax highlighting and code
+intelligence using Sublime Text's grammars.")
+    (license license:expat)))
+
 (define-public rust-syntex-0.58
  (package
    (name "rust-syntex")
@@ -18320,6 +21268,58 @@ syntax extension expansion.")
         ("rust-errno" ,rust-errno-0.2)
         ("rust-libc" ,rust-libc-0.2))))))
 
+(define-public rust-syslog-4.0
+  (package
+    (name "rust-syslog")
+    (version "4.0.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "syslog" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "09ykcbvwx8icvf303mqyz76ji8j6fgyyx97zpr23s788ni112r50"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-time" ,rust-time-0.1)
+        ("rust-error-chain" ,rust-error-chain-0.11)
+        ("rust-libc" ,rust-libc-0.2)
+        ("rust-log" ,rust-log-0.4))))
+    (home-page "https://github.com/Geal/rust-syslog")
+    (synopsis "Send log messages to syslog")
+    (description "Send log messages to syslog.")
+    (license license:expat)))
+
+(define-public rust-syslog-3.3
+  (package
+    (name "rust-syslog")
+    (version "3.3.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "syslog" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0hpdnk2zm6xawpz6fv6qbn0ncfm5p0wm5c6gq7yhaz2gvsnb1jdv"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-time" ,rust-time-0.1)
+        ("rust-libc" ,rust-libc-0.2)
+        ("rust-log" ,rust-log-0.3)
+        ("rust-unix-socket" ,rust-unix-socket-0.5))))
+    (home-page "https://github.com/Geal/rust-syslog")
+    (synopsis "Send log messages to syslog")
+    (description "Send log messages to syslog.")
+    (license license:expat)))
+
 (define-public rust-takeable-option-0.4
   (package
     (name "rust-takeable-option")
@@ -18399,6 +21399,29 @@ memory all at once.")
 @code{build.rs} scripts.")
     (license (list license:isc license:asl2.0))))
 
+(define-public rust-target-lexicon-0.10
+  (package
+    (name "rust-target-lexicon")
+    (version "0.10.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "target-lexicon" version))
+        (file-name
+          (string-append name "-" version ".tar.gz"))
+        (sha256
+          (base32
+            "17diw9c3d1vb5rmwwk2ghsyhfs0gj5jm78hrwxxhmd67vhw743mb"))))
+    (build-system cargo-build-system)
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/CraneStation/target-lexicon")
+    (synopsis
+      "Targeting utilities for compilers and related tools")
+    (description
+      "Targeting utilities for compilers and related tools")
+    (license license:asl2.0)))
+
 (define-public rust-tempdir-0.3
   (package
     (name "rust-tempdir")
@@ -19083,7 +22106,7 @@ in Rust.")
 (define-public rust-tinytemplate-1.0
   (package
     (name "rust-tinytemplate")
-    (version "1.0.2")
+    (version "1.0.3")
     (source
      (origin
        (method url-fetch)
@@ -19092,7 +22115,7 @@ in Rust.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "084w41m75i95sdid1wwlnav80jsl1ggyryl4nawxvb6amigvfx25"))))
+         "06ipxjwl1w6synvql8b50qxbqv0w04agvmmfqcdynr9ygmkcd8sp"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
@@ -19100,7 +22123,7 @@ in Rust.")
        (("rust-serde" ,rust-serde-1.0)
         ("rust-serde-json" ,rust-serde-json-1.0))
        #:cargo-development-inputs
-       (("rust-criterion" ,rust-criterion-0.2)
+       (("rust-criterion" ,rust-criterion-0.3)
         ("rust-serde-derive" ,rust-serde-derive-1.0))))
     (home-page "https://github.com/bheisler/TinyTemplate")
     (synopsis "Simple, lightweight template engine")
@@ -19328,7 +22351,7 @@ the current thread.")
 (define-public rust-tokio-io-0.1
   (package
     (name "rust-tokio-io")
-    (version "0.1.12")
+    (version "0.1.13")
     (source
      (origin
        (method url-fetch)
@@ -19337,7 +22360,7 @@ the current thread.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "09jrz1hh4h1vj45qy09y7m7m8jsy1hl6g32clnky25mdim3dp42h"))))
+         "0x06zyzinans1pn90g6i150lgixijdf1cg8y2gipjd09ms58dz2p"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
@@ -19768,6 +22791,34 @@ serializing Rust structures.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-toml-0.2
+  (package
+    (name "rust-toml")
+    (version "0.2.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "toml" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1d1cz43bxrx4fd6j2p6myckf81f72bp47akg36y3flxjkhj60svk"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-rustc-serialize" ,rust-rustc-serialize-0.3)
+        ("rust-serde" ,rust-serde-0.8))))
+    (home-page "https://github.com/alexcrichton/toml-rs")
+    (synopsis "Rust encoder and decoder of TOML-formatted files and streams")
+    (description
+     "This package provides a native Rust encoder and decoder of TOML-formatted
+files and streams.  Provides implementations of the standard
+Serialize/Deserialize traits for TOML data to facilitate deserializing and
+serializing Rust str")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-tracing-core-0.1
   (package
     (name "rust-tracing-core")
@@ -20053,6 +23104,30 @@ with the Unicode character database.")
      "Unchecked indexing wrapper using regular index syntax.")
     (license (list license:asl2.0 license:expat))))
 
+(define-public rust-unicase-2.6
+  (package
+    (name "rust-unicase")
+    (version "2.6.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "unicase" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1xmlbink4ycgxrkjspp0mf7pghcx4m7vxq7fpfm04ikr2zk7pwsh"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-version-check" ,rust-version-check-0.9))))
+    (home-page "https://github.com/seanmonstar/unicase")
+    (synopsis "Case-insensitive wrapper around strings")
+    (description
+     "This package provides a case-insensitive wrapper around strings.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-unicase-2.4
   (package
     (name "rust-unicase")
@@ -20283,6 +23358,30 @@ whitespace from a string.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-unix-socket-0.5
+  (package
+    (name "rust-unix-socket")
+    (version "0.5.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "unix_socket" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0r0mxf3mmqvimnx4mpks1f6c4haj6jcxc0k9bs7w61f42w2718ka"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-cfg-if" ,rust-cfg-if-0.1)
+        ("rust-libc" ,rust-libc-0.2))))
+    (home-page "https://github.com/rust-lang-nursery/unix-socket")
+    (synopsis "Unix domain socket bindings")
+    (description "This package provides unix domain socket bindings.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-unreachable-1.0
   (package
     (name "rust-unreachable")
@@ -20508,7 +23607,7 @@ Unix users and groups.")
 (define-public rust-utf8-ranges-1.0
   (package
     (name "rust-utf8-ranges")
-    (version "1.0.3")
+    (version "1.0.4")
     (source
      (origin
        (method url-fetch)
@@ -20517,7 +23616,7 @@ Unix users and groups.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "1ppzjsxmv1p1xfid8wwn07ciikk84k30frl28bwsny6za1vall4x"))))
+         "1fpc32znar5v02nwsw7icl41jzzzzhy0si6ngqjylzrbxxpi3bml"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
@@ -20568,6 +23667,35 @@ Unix users and groups.")
     (description "This package provides a table-driven UTF-8 parser.")
     (license (list license:asl2.0 license:expat))))
 
+(define-public rust-uuid-0.8
+  (package
+    (name "rust-uuid")
+    (version "0.8.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "uuid" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "049w16qwk3d3b9cmpgvd7fvcnwgs75l8rlsagh06w7ga9dm2zplz"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-winapi" ,rust-winapi-0.3)
+        ("rust-sha1" ,rust-sha1-0.6)
+        ("rust-md5" ,rust-md5-0.6)
+        ("rust-rand" ,rust-rand-0.7)
+        ("rust-serde" ,rust-serde-1.0)
+        ("rust-slog" ,rust-slog-2.5))))
+    (home-page "https://github.com/uuid-rs/uuid")
+    (synopsis "Library to generate and parse UUIDs")
+    (description
+     "This package provides a library to generate and parse UUIDs.")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-uuid-0.7
   (package
     (name "rust-uuid")
@@ -20674,6 +23802,57 @@ Unix users and groups.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-vecmath-1.0
+  (package
+    (name "rust-vecmath")
+    (version "1.0.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "vecmath" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0shmj76rj7rqv377vy365xwr5rx23kxqgkqxxrymdjjvv3hf2slm"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-piston-float" ,rust-piston-float-1.0))))
+    (home-page "https://github.com/pistondevelopers/vecmath")
+    (synopsis "Library for vector math designed for reexporting")
+    (description
+     "This package provides a simple and type agnostic library for vector math
+designed for reexporting.")
+    (license license:expat)))
+
+(define-public rust-vergen-3.1
+  (package
+    (name "rust-vergen")
+    (version "3.1.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "vergen" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1jrr0wihm9si98qz8ghjfnalfvmfv8rqvkgj2npqa7yzjs4hvrac"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-chrono" ,rust-chrono-0.4)
+        ("rust-chrono" ,rust-chrono-0.4)
+        ("rust-bitflags" ,rust-bitflags-1))))
+    (home-page "http://github.com/rustyhorde/vergen")
+    (synopsis "Generate version related functions")
+    (description
+     "Generate version related functions.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-version-check-0.9
   (package
     (name "rust-version-check")
@@ -20860,6 +24039,31 @@ updated when the crate version changes.")
 specified across Unix and Windows platforms.")
     (license (list license:expat license:asl2.0))))
 
+(define-public rust-walkdir-2.3
+  (package
+    (name "rust-walkdir")
+    (version "2.3.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "walkdir" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0z9g39f49cycdm9vzjf8hnfh3f1csxgd65kmlphj8r2vffy84wbp"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-winapi-util" ,rust-winapi-util-0.1)
+        ("rust-winapi" ,rust-winapi-0.3)
+        ("rust-same-file" ,rust-same-file-1.0))))
+    (home-page "https://github.com/BurntSushi/walkdir")
+    (synopsis "Recursively walk a directory")
+    (description "Recursively walk a directory.")
+    (license (list license:unlicense license:expat))))
+
 (define-public rust-walkdir-2.2
   (package
     (name "rust-walkdir")
@@ -20911,6 +24115,33 @@ specified across Unix and Windows platforms.")
         ("rust-rand" ,rust-rand-0.3)
         ("rust-rustc-serialize" ,rust-rustc-serialize-0.3))))))
 
+(define-public rust-wasi-0.9
+  (package
+    (name "rust-wasi")
+    (version "0.9.0+wasi-snapshot-preview1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "wasi" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "06g5v3vrdapfzvfq662cij7v8a1flwr2my45nnncdv2galrdzkfc"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-compiler-builtins" ,rust-compiler-builtins-0.1)
+        ("rust-rustc-std-workspace-alloc" ,rust-rustc-std-workspace-alloc-1.0)
+        ("rust-rustc-std-workspace-core" ,rust-rustc-std-workspace-core-1.0))))
+    (home-page "https://github.com/bytecodealliance/wasi")
+    (synopsis "Experimental WASI API bindings for Rust")
+    (description
+     "This package provides an experimental WASI API bindings for Rust.")
+    (license (list license:asl2.0
+                   license:expat))))
+
 (define-public rust-wasi-0.5
   (package
     (name "rust-wasi")
@@ -20934,7 +24165,7 @@ in Rust.")
 (define-public rust-wasm-bindgen-0.2
   (package
     (name "rust-wasm-bindgen")
-    (version "0.2.58")
+    (version "0.2.60")
     (source
      (origin
        (method url-fetch)
@@ -20943,7 +24174,7 @@ in Rust.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "0v31s91andxcj73w63g3fkbw3ld6cfsaa4135qcjna22vypyj1aj"))))
+         "0zx42zryw03w3maz8p65gr5bhhybr2sdzgcck5p3gy47abh7ri9c"))))
     (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs
@@ -20969,7 +24200,7 @@ in Rust.")
 (define-public rust-wasm-bindgen-backend-0.2
   (package
     (name "rust-wasm-bindgen-backend")
-    (version "0.2.58")
+    (version "0.2.60")
     (source
      (origin
        (method url-fetch)
@@ -20978,7 +24209,7 @@ in Rust.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "0icskn0qlj30np6x6nbyl1i9dndckx0pczaq69dm42r92rcbkk8i"))))
+         "1k9p8a7ng6nqan0m9555wj936lm2s1qz0fnafclwlv61yrxx6ryr"))))
     (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs
@@ -21056,7 +24287,7 @@ in Rust.")
 (define-public rust-wasm-bindgen-macro-0.2
   (package
     (name "rust-wasm-bindgen-macro")
-    (version "0.2.58")
+    (version "0.2.60")
     (source
      (origin
        (method url-fetch)
@@ -21065,7 +24296,7 @@ in Rust.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "1hwxw0nhi2n4izhjn2fvnrrn59xqjxs3ybkgzdv1b4p65ivr8h2p"))))
+         "1973xr0vr2aj85fkp3smk61z5ki7c4fhxlicfjxq3a0y7sv53lcb"))))
     (build-system cargo-build-system)
     (arguments
      `(#:tests? #f      ; 'Async blocks are unstable'
@@ -21087,7 +24318,7 @@ dependency.")
 (define-public rust-wasm-bindgen-macro-support-0.2
   (package
     (name "rust-wasm-bindgen-macro-support")
-    (version "0.2.58")
+    (version "0.2.60")
     (source
      (origin
        (method url-fetch)
@@ -21096,7 +24327,7 @@ dependency.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "0s3n7v741i4wkzib41m126li40qlhqyirnxpigkypsi59wsk2l78"))))
+         "0ca9bb9hnyzcmjww83x8asb76drf55ijhqv8yrl7igpixqv5p2nn"))))
     (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs
@@ -21115,7 +24346,7 @@ attribute that is not in the shared backend crate.")
 (define-public rust-wasm-bindgen-shared-0.2
   (package
     (name "rust-wasm-bindgen-shared")
-    (version "0.2.58")
+    (version "0.2.60")
     (source
       (origin
         (method url-fetch)
@@ -21123,9 +24354,8 @@ attribute that is not in the shared backend crate.")
         (file-name (string-append name "-" version ".crate"))
         (sha256
          (base32
-          "00cnbabf4k9bahb217vkilmjwqwzpwp112vlvgfw1x19r4gydrzm"))))
+          "0ffn4152w8n629f29lwjgj3adiyixvdbff3mld49gisssbknzxys"))))
     (build-system cargo-build-system)
-    ;(arguments '(#:skip-build? #t))
     (home-page "https://rustwasm.github.io/wasm-bindgen/")
     (synopsis "Shared support between wasm-bindgen and wasm-bindgen cli")
     (description "This package provides shared support between
@@ -21617,7 +24847,7 @@ protocol extensions.  Look at the crate wayland-client for usable bindings.")
 (define-public rust-web-sys-0.3
   (package
     (name "rust-web-sys")
-    (version "0.3.35")
+    (version "0.3.37")
     (source
      (origin
        (method url-fetch)
@@ -21626,16 +24856,12 @@ protocol extensions.  Look at the crate wayland-client for usable bindings.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "0fzmxcyahy3ghl8lkjkchj9krmnr56shvbqgr7db3hm8dappryda"))))
+         "1jy4q5jawzg3dxzhfwa0g3fsz7h4j0ra6y232ikc6mlcimj52vrd"))))
     (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs
        (("rust-js-sys" ,rust-js-sys-0.3)
-        ("rust-wasm-bindgen" ,rust-wasm-bindgen-0.2)
-        ("rust-anyhow" ,rust-anyhow-1.0)
-        ("rust-env-logger" ,rust-env-logger-0.7)
-        ("rust-sourcefile" ,rust-sourcefile-0.1)
-        ("rust-wasm-bindgen-webidl" ,rust-wasm-bindgen-webidl-0.2))
+        ("rust-wasm-bindgen" ,rust-wasm-bindgen-0.2))
        #:cargo-development-inputs
        (("rust-wasm-bindgen-futures" ,rust-wasm-bindgen-futures-0.4)
         ("rust-wasm-bindgen-test" ,rust-wasm-bindgen-test-0.3))))
@@ -21668,6 +24894,32 @@ protocol extensions.  Look at the crate wayland-client for usable bindings.")
      "This package provides a WebIDL Parser.")
     (license license:expat)))
 
+(define-public rust-which-3.1
+  (package
+    (name "rust-which")
+    (version "3.1.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "which" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "094pw9pi48szshn9ln69z2kg7syq1jp80h5ps1qncbsaw4d0f4fh"))))
+    (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build? #t
+        #:cargo-inputs
+        (("rust-failure" ,rust-failure-0.1)
+         ("rust-libc" ,rust-libc-0.2))))
+    (home-page "https://github.com/harryfei/which-rs.git")
+    (synopsis "Rust equivalent of Unix command \"which\"")
+    (description
+     "This package provides a Rust equivalent of Unix command \"which\".  Locate
+installed executable in cross platforms.")
+    (license license:expat)))
+
 (define-public rust-which-2.0
   (package
     (name "rust-which")
@@ -21826,7 +25078,7 @@ i686-pc-windows-gnu target.  Please don't use this crate directly, depend on
 (define-public rust-winapi-util-0.1
   (package
     (name "rust-winapi-util")
-    (version "0.1.2")
+    (version "0.1.4")
     (source
       (origin
         (method url-fetch)
@@ -21834,7 +25086,7 @@ i686-pc-windows-gnu target.  Please don't use this crate directly, depend on
         (file-name (string-append name "-" version ".crate"))
         (sha256
          (base32
-          "1j839dc6y8vszvrsb7yk0qvs0w6asnahxzbyans37vnsw6vbls3i"))))
+          "0vj3984cxwnf1ys3fdz6bpl7p0kdsgykpzbhmcmwi759cd8mqlgs"))))
     (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs (("rust-winapi" ,rust-winapi-0.3))))
@@ -22246,7 +25498,7 @@ to XDG Base Directory specification")
 (define-public rust-xml-rs-0.8
   (package
     (name "rust-xml-rs")
-    (version "0.8.0")
+    (version "0.8.1")
     (source
      (origin
        (method url-fetch)
@@ -22255,14 +25507,37 @@ to XDG Base Directory specification")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "1db4v716rbpgjiasaim2s17rmvsfcq1qzwg6nji6mdf5k34i46sl"))))
+         "0c905wsmk995xypxljpxzq6vv660r1pzgyrpsfiz13kw3hf0dzcs"))))
     (build-system cargo-build-system)
-    (arguments `(#:skip-build? #t))
+    (arguments
+     `(#:cargo-development-inputs
+       (("rust-doc-comment" ,rust-doc-comment-0.3)
+        ("rust-lazy-static" ,rust-lazy-static-1))))
     (home-page "https://github.com/netvl/xml-rs")
     (synopsis "XML library in pure Rust")
     (description "An XML library in pure Rust.")
     (license license:expat)))
 
+(define-public rust-y4m-0.5
+  (package
+    (name "rust-y4m")
+    (version "0.5.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "y4m" version))
+        (file-name
+          (string-append name "-" version ".tar.gz"))
+        (sha256
+          (base32
+            "06g8c53qk4cla3xczywx5qlklvzsw54x77vm727mhizlsp5n93ar"))))
+    (build-system cargo-build-system)
+    (arguments `(#:skip-build? #t))
+    (home-page "https://github.com/image-rs/y4m")
+    (synopsis "YUV4MPEG2 (.y4m) Encoder/Decoder.")
+    (description "YUV4MPEG2 (.y4m) Encoder/Decoder.")
+    (license license:expat)))
+
 (define-public rust-yaml-rust-0.4
   (package
     (name "rust-yaml-rust")
diff --git a/gnu/packages/cups.scm b/gnu/packages/cups.scm
index f263ddb909..9161b7bccb 100644
--- a/gnu/packages/cups.scm
+++ b/gnu/packages/cups.scm
@@ -673,14 +673,14 @@ printer/driver specific, but spooler-independent PPD file.")
 (define-public foo2zjs
   (package
     (name "foo2zjs")
-    (version "20200207")
+    (version "20200426")
     (source (origin
               (method url-fetch)
               ;; XXX: This is an unversioned URL!
               (uri "http://foo2zjs.rkkda.com/foo2zjs.tar.gz")
               (sha256
                (base32
-                "0pf1sm29gnrhhpyvq95jskvr874h5r4kls9w10gc24z23fjmr5zx"))))
+                "0wwh29ddd59q18r1jpi3166lgnwr8zn9lry82vahc2g96l97isp7"))))
     (build-system gnu-build-system)
     (arguments
      '(#:phases (modify-phases %standard-phases
diff --git a/gnu/packages/databases.scm b/gnu/packages/databases.scm
index 4e86fc8fc4..a79eb65745 100644
--- a/gnu/packages/databases.scm
+++ b/gnu/packages/databases.scm
@@ -2211,24 +2211,24 @@ can autogenerate peewee models using @code{pwiz}, a model generator.")
 (define-public python-tortoise-orm
   (package
     (name "python-tortoise-orm")
-    (version "0.16.3")
+    (version "0.16.7")
     (source
      (origin
        (method url-fetch)
        (uri (pypi-uri "tortoise-orm" version))
        (sha256
         (base32
-         "01hbvfyxs2qd1mjc96aipwsdxxhydw8ww686r4gsf87bl6f98dvz"))))
+         "0wr7p4v0b16ypm9fcpwpl99kf491m6w3jkd13xcsgq13fy73fbqc"))))
     (build-system python-build-system)
     ;; Disable tests for now. They pull in a lot of dependencies.
     (arguments `(#:tests? #f))
     (native-inputs
-     `(("python-ciso8601" ,python-ciso8601)
-       ("python-asynctest" ,python-asynctest)
+     `(("python-asynctest" ,python-asynctest)
        ("python-nose2" ,python-nose2)))
     (propagated-inputs
      `(("python-aiosqlite" ,python-aiosqlite)
        ("python-pypika" ,python-pypika)
+       ("python-ciso8601" ,python-ciso8601)
        ("python-typing-extensions"
         ,python-typing-extensions)))
     (home-page
@@ -2757,14 +2757,14 @@ translate the complete SQLite API into Python.")
 (define-public python-aiosqlite
   (package
     (name "python-aiosqlite")
-    (version "0.11.0")
+    (version "0.12.0")
     (source
      (origin
        (method url-fetch)
        (uri (pypi-uri "aiosqlite" version))
        (sha256
         (base32
-         "1f3zdldp9zgrw6qz5fsp3wa5zw73cjf139pj4vf24ryv895320jg"))))
+         "1w8248yz85xyzvvh4jaxnc59fqil45aka6h82kn1rcih4rjxbnn1"))))
     (build-system python-build-system)
     (native-inputs
      `(("python-aiounittest" ,python-aiounittest)))
@@ -3088,14 +3088,16 @@ transforms idiomatic python function calls to well-formed SQL queries.")
 (define-public python-pypika
   (package
     (name "python-pypika")
-    (version "0.36.0")
+    (version "0.37.2")
     (source
-     (origin
-       (method url-fetch)
-       (uri (pypi-uri "PyPika" version))
-       (sha256
-        (base32
-         "0qzn5vygirg52dlizm6ayzdc5llq8p2krrx0kymr236lrz89wqp8"))))
+     (origin (method git-fetch)
+             (uri (git-reference
+                   (url "https://github.com/kayak/pypika.git")
+                   (commit (string-append "v" version))))
+             (file-name (git-file-name name version))
+             (sha256
+              (base32
+               "089z1c778q1fwhzsc88ws8j5gm2hgxknibabn4wpax8rz2bfs3ck"))))
     (build-system python-build-system)
     (native-inputs
      `(("python-parameterized" ,python-parameterized)))
diff --git a/gnu/packages/diffoscope.scm b/gnu/packages/diffoscope.scm
index 71c0039dfb..1df8552a30 100644
--- a/gnu/packages/diffoscope.scm
+++ b/gnu/packages/diffoscope.scm
@@ -57,6 +57,7 @@
   #:use-module (gnu packages ssh)
   #:use-module (gnu packages statistics)
   #:use-module (gnu packages textutils)
+  #:use-module (gnu packages tls)
   #:use-module (gnu packages video)
   #:use-module (gnu packages vim)
   #:use-module (gnu packages web)
@@ -69,7 +70,7 @@
   #:use-module (ice-9 match))
 
 (define-public diffoscope
-  (let ((version "141"))
+  (let ((version "143"))
     (package
       (name "diffoscope")
       (version version)
@@ -81,7 +82,7 @@
                 (file-name (git-file-name name version))
                 (sha256
                  (base32
-                  "0pls2jryx394ysaz0g8h959lhrsdqak9bkxjd5r6sdckgiikplkj"))))
+                  "0j58dqdk8ln8y0bcnfy37ljs37nkl56lzxqns396300ysln0qiwm"))))
       (build-system python-build-system)
       (arguments
        `(#:phases (modify-phases %standard-phases
@@ -96,8 +97,8 @@
                     (add-after 'unpack 'add-known-tools
                       (lambda _
                         (substitute* "diffoscope/external_tools.py"
-                          (("'debian': 'hdf5-tools'")
-                           "'debian': 'hdf5-tools', 'guix': 'hdf5'"))))
+                          (("'debian': 'openssl'")
+                           "'debian': 'openssl', 'guix': 'openssl'"))))
                     ;; This test is broken because our `file` package has a
                     ;; bug in berkeley-db file type detection.
                     (add-after 'unpack 'remove-berkeley-test
@@ -161,6 +162,7 @@
       (native-inputs `(("python-pytest" ,python-pytest)
                        ("python-chardet" ,python-chardet)
                        ("python-binwalk" ,python-binwalk)
+                       ("python-h5py" ,python-h5py)
                        ("python-pypdf2" ,python-pypdf2)
                        ("python-progressbar33" ,python-progressbar33)
                        ;; test suite skips tests when tool is missing
@@ -205,6 +207,7 @@
                        ("ocaml" ,ocaml)
                        ("odt2txt" ,odt2txt)
                        ("openssh" ,openssh)
+                       ("openssl" ,openssl)
                        ("pgpdump" ,pgpdump)
                        ("poppler" ,poppler)
                        ("python-jsbeautifier" ,python-jsbeautifier)
diff --git a/gnu/packages/emacs-xyz.scm b/gnu/packages/emacs-xyz.scm
index 0197ee5896..d09df46eb3 100644
--- a/gnu/packages/emacs-xyz.scm
+++ b/gnu/packages/emacs-xyz.scm
@@ -34,7 +34,7 @@
 ;;; Copyright © 2017, 2018, 2019 Maxim Cournoyer <maxim.cournoyer@gmail.com>
 ;;; Copyright © 2018 Sohom Bhattacharjee <soham.bhattacharjee15@gmail.com>
 ;;; Copyright © 2018, 2019 Mathieu Lirzin <mthl@gnu.org>
-;;; Copyright © 2018, 2019 Pierre Neidhardt <mail@ambrevar.xyz>
+;;; Copyright © 2018, 2019, 2020 Pierre Neidhardt <mail@ambrevar.xyz>
 ;;; Copyright © 2018, 2019 Tim Gesthuizen <tim.gesthuizen@yahoo.de>
 ;;; Copyright © 2018, 2019 Jack Hill <jackhill@jackhill.us>
 ;;; Copyright © 2018 Pierre-Antoine Rouby <pierre-antoine.rouby@inria.fr>
@@ -69,6 +69,7 @@
 ;;; Copyright © 2020 Jérémy Korwin-Zmijowski <jeremy@korwin-zmijowski.fr>
 ;;; Copyright © 2020 Alberto Eleuterio Flores Guerrero <barbanegra+guix@posteo.mx>
 ;;; Copyright © 2020 Marius Bakke <mbakke@fastmail.com>
+;;; Copyright © 2020 pinoaffe <pinoaffe@airmail.cc>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -476,6 +477,31 @@ these arguments.  The prototypical use is for the command to call an external
 process, passing on the arguments as command line arguments.")
     (license license:gpl3+)))
 
+(define-public emacs-magit-annex
+  (let ((commit "ef5dce6267e9118a5eca82a22bcad0b67826c23a")
+        (revision "1"))
+    (package
+      (name "emacs-magit-annex")
+      (version (git-version "1.7.1" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/magit/magit-annex.git")
+                      (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "0vzkydgl889cq173zjl89g2vrddb9abc4a8gljiz3b4a7n5b1nrd"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("magit" ,emacs-magit)
+         ("transient" ,emacs-transient)))
+      (home-page "https://github.com/magit/magit-annex/")
+      (synopsis "Git-annex support for Magit")
+      (description
+       "Magit-annex adds a few git-annex operations to the Magit interface.")
+      (license license:gpl3+))))
+
 (define-public emacs-minions
   (package
     (name "emacs-minions")
@@ -2462,6 +2488,37 @@ create an Extempore REPL, connect the current @code{extempore-mode} buffer to a
 running Extempore process, and more.")
       (license license:bsd-2))))
 
+(define-public emacs-kakoune
+  ;; Package has no release.  Version is extracted from "Version:" keyword in
+  ;; main file.
+  (let ((commit "d73d14e69ea38076af50cc69f846808383ff539d")
+        (revision "0"))
+    (package
+      (name "emacs-kakoune")
+      (version (git-version "0.1" revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/jmorag/kakoune.el.git")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32 "0nk6jdy1y5mc3ryd0smiqghrk6iv34d5grc7f7migmshlbq0np92"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-expand-region"    ,emacs-expand-region)
+         ("emacs-multiple-cursors" ,emacs-multiple-cursors)
+         ("emacs-ryo-modal"        ,emacs-ryo-modal)))
+      (home-page "https://github.com/jmorag/kakoune.el")
+      (synopsis "Emacs simple simulation, but not emulation, of Kakoune")
+      (description "This package provides many, but not all of the editing
+primitives in the Kakoune editor.  Unlike Evil mode for Vim, this is a very
+shallow emulation, which seeks to do as little work as possible, leveraging
+Emacs native editing commmands and the work of other packages wherever
+possible.")
+      (license license:expat))))
+
 (define-public emacs-keyfreq
   (package
     (name "emacs-keyfreq")
@@ -2567,9 +2624,9 @@ strings.")
     (license license:gpl2+)))
 
 (define-public emacs-sx
-  (let ((version "20180212")
-        (revision "1")
-        (commit "833435fbf90d1c9e927d165b155f3b1ef39271de"))
+  (let ((version "20191229")
+        (revision "0")
+        (commit "e9d1093c97507a6d7b4f4710ef65200dae725e5f"))
     (package
       (name "emacs-sx")
       (version (git-version version revision commit))
@@ -2581,8 +2638,7 @@ strings.")
                (commit commit)))
          (file-name (git-file-name name version))
          (sha256
-          (base32
-           "1369xaxq1vy3d9yh862ddnhddikdpg2d0wv1ly00pnvdp9v4cqgd"))))
+          (base32 "0m90ddwm8j0y6d1ppqhd2gil1107k202blw6mzm5bdambn4nfqkf"))))
       (build-system emacs-build-system)
       (propagated-inputs
        `(("emacs-markdown-mode" ,emacs-markdown-mode)))
@@ -2593,6 +2649,54 @@ strings.")
 Stack Overflow, Super User, and other StackExchange sites.")
       (license license:gpl3+))))
 
+(define-public emacs-toml-mode
+  (let ((version "0.1.3")
+        (revision "0")
+        (commit "f6c61817b00f9c4a3cab1bae9c309e0fc45cdd06"))
+    (package
+      (name "emacs-toml-mode")
+      (version (git-version version revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/dryman/toml-mode.el.git")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32 "05b4ksay85c8y5ncax0qsvnmplwsfiw24z16a58gkarjz938hb57"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/dryman/toml-mode.el")
+      (synopsis "Emacs major mode for editing TOML files")
+      (description
+       ;; XXX: Ideally we'd use @acronym for "TOML", but Guile's Texinfo
+       ;; parser does not currently support @comma{}, making it impossible
+       ;; to use commas in the @acronym arguments.
+       "This package provides a major mode for editing files in @dfn{TOML}
+(Tom's Obvious, Minimal Language) data format.")
+      (license license:gpl3+))))
+
+(define-public emacs-twittering-mode
+  (package
+    (name "emacs-twittering-mode")
+    (version "3.1.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "mirror://sourceforge/twmode"
+                           "/twittering-mode-" version
+                           "/twittering-mode-" version ".tar.xz"))
+       (sha256
+        (base32 "02imis1gxz90lah0b5n37j2hlsaw5igss11d85vpsm5d1bgw8j28"))))
+    (build-system emacs-build-system)
+    (home-page "http://twmode.sourceforge.net")
+    (synopsis "Emacs major mode for Twitter")
+    (description
+     "Twittering mode is an Emacs major mode for Twitter.
+You can check timelines, tweet, mark posts as favorites and so on with
+Emacs.")
+    (license license:gpl2+)))
+
 (define-public emacs-f
   (package
     (name "emacs-f")
@@ -7252,6 +7356,30 @@ of its name.")
 names, e.g. #0000ff is displayed in white with a blue background.")
     (license license:gpl3+)))
 
+(define-public emacs-ryo-modal
+  ;; Package has no release.  Version is extracted from "Version:" keyword in
+  ;; main file.
+  (let ((commit "3a54312eea7023a86ca3f8eb3c03c872554bff2f")
+        (revision "0"))
+    (package
+      (name "emacs-ryo-modal")
+      (version (git-version "0.4" revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/Kungsgeten/ryo-modal.git")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32 "1cyvp3bi6yhckbdnq98xvghmhdzghya5y9wd7hxjawibs75rza95"))))
+      (build-system emacs-build-system)
+      (home-page "http://github.com/Kungsgeten/ryo-modal")
+      (synopsis "Emacs minor mode for defining modal editing environments")
+      (description "RYO modal provides a convenient way of defining modal
+keybindings in Emacs, and does not come with any predefined bindings.")
+      (license license:expat))))
+
 (define-public emacs-visual-fill-column
   (package
     (name "emacs-visual-fill-column")
@@ -14320,7 +14448,7 @@ notes.")
       (build-system emacs-build-system)
       (home-page "https://github.com/yjwen/org-reveal")
       (synopsis "Org and Reveal.js powered HTML presentation tool")
-      (description "Org-Reveal is a command@{org-mode} extension that allows
+      (description "Org-Reveal is a @command{org-mode} extension that allows
 to create beautiful presentations (slides) with 3D effects from simple but
 powerful Org contents.")
       (license license:gpl3+))))
@@ -15864,10 +15992,10 @@ provide an incremental search that moves all fake cursors in sync.")
       (license license:expat))))
 
 (define-public emacs-evil-org
-  (let ((commit "b6d652a9163d3430a9e0933a554bdbee5244bbf6"))
+  (let ((commit "9d4be14118bf27094a30dbff349b815f098aacbf"))
     (package
       (name "emacs-evil-org")
-      (version (git-version "0.1.1" "1" commit))
+      (version (git-version "1.0.2" "1" commit))
       (source
        (origin
          (method git-fetch)
@@ -15877,7 +16005,7 @@ provide an incremental search that moves all fake cursors in sync.")
          (file-name (git-file-name name version))
          (sha256
           (base32
-           "176hrw7y7nczffbyhsa167b8rvfacsmcafm2gpkrdjqlrikbmrhl"))))
+           "1fxxfkinb0gq4p5b686r7z4jrkv98zfgh5z889zkjacncv8ibswn"))))
       (build-system emacs-build-system)
       (propagated-inputs `(("emacs-evil" ,emacs-evil)))
       (home-page
@@ -18122,7 +18250,7 @@ stored playlists.")
 (define-public emacs-vterm
   (let ((version "0")
         (revision "1")
-        (commit "7d7381fa8104b55b70148cf147523d9ab7f01fcd"))
+        (commit "e63bd65eece7c5de3a534b7e2fdbe58256ec2da0"))
     (package
       (name "emacs-vterm")
       (version (git-version version revision commit))
@@ -18134,7 +18262,7 @@ stored playlists.")
                 (file-name (git-file-name name version))
                 (sha256
                  (base32
-                  "04a2jlhmr20ipgzpnba3yryw3ly7qdxjgaw10dwn9wxy1yqmapz1"))))
+                  "0iq857w54qmazxh23fipz85fb9i6dav3f63g0ghpmi6mybfp6i5v"))))
       (build-system emacs-build-system)
       (arguments
        `(#:modules ((guix build emacs-build-system)
@@ -18145,14 +18273,11 @@ stored playlists.")
                              (guix build cmake-build-system))
          #:phases
          (modify-phases %standard-phases
-           (add-before 'add-source-to-load-path 'remove-vterm-module-make
+           (add-before 'add-source-to-load-path 'substitute-vterm-module-path
              (lambda* (#:key outputs #:allow-other-keys)
-               ;; Remove the Emacs Lisp file.
-               (delete-file "vterm-module-make.el")
-               ;; Remove references to the removed file.
-               (make-file-writable "vterm.el")
+               (chmod "vterm.el" #o644)
                (emacs-substitute-sexps "vterm.el"
-                 ("(or (require 'vterm-module nil t)"
+                 ("(require 'vterm-module nil t)"
                   `(module-load
                     ,(string-append (assoc-ref outputs "out")
                                     "/lib/vterm-module.so"))))
@@ -21334,6 +21459,7 @@ fish-completion.  It can be used in both Eshell and M-x shell.")
          (sha256
           (base32
            "0mv6i80958d9crzspzik5xh5g8326115bvg2frgv0dp9p6rm86m3"))
+         (patches (search-patches "emacs-telega-test-env.patch"))
          (file-name (git-file-name name version))))
       (build-system gnu-build-system)
       (arguments
@@ -21425,7 +21551,12 @@ fish-completion.  It can be used in both Eshell and M-x shell.")
       (native-inputs
        `(("tdlib" ,tdlib)
          ("libtgvoip" ,libtgvoip) ; VoIP support.
-         ("emacs" ,emacs)
+         ;; Use Emacs with wide ints on 32-bit architectures.
+         ("emacs" ,(match (%current-system)
+                     ((or "i686-linux" "armhf-linux")
+                      emacs-wide-int)
+                     (_
+                      emacs)))
          ("python" ,python)))
       (synopsis "GNU Emacs client for the Telegram messenger")
       (description
@@ -22591,3 +22722,26 @@ ASCII UML sequence diagrams in Emacs, which can be embedded in source code,
 comments or emails.")
       (license license:gpl3+))))
 
+(define-public emacs-trashed
+  (package
+    (name "emacs-trashed")
+    (version "1.9.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/shingo256/trashed/")
+             (commit version)))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "13grdi12iwlw4fiphdfmvclfpbr6ajlgfbfyi7v41z8k3rxz4ypz"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/shingo256/trashed/")
+    (synopsis "View and edit system trash can in Emacs")
+    (description "Open, view, browse, restore or permanently delete trashed
+files or directories in trash can with Dired-like look and feel.  The trash
+can has to be compliant with freedesktop.org. In Emacs, you can trash files by
+deleting them with @code{(setq delete-by-moving-to-trash t)}.  This package
+provides a simple but convenient user interface to manage those trashed
+files.")
+    (license license:gpl3+)))
diff --git a/gnu/packages/emacs.scm b/gnu/packages/emacs.scm
index 359bb76ae2..c174927633 100644
--- a/gnu/packages/emacs.scm
+++ b/gnu/packages/emacs.scm
@@ -401,6 +401,17 @@ editor (without an X toolkit)" )
            ((#:configure-flags cf)
             `(cons "--with-x-toolkit=no" ,cf)))))))
 
+(define-public emacs-wide-int
+  (package
+    (inherit emacs)
+    (name "emacs-wide-int")
+    (synopsis "The extensible, customizable, self-documenting text
+editor (with wide ints)" )
+    (arguments
+     (substitute-keyword-arguments (package-arguments emacs)
+       ((#:configure-flags flags)
+        `(cons "--with-wide-int" ,flags))))))
+
 (define-public guile-emacs
   (let ((commit "41120e0f595b16387eebfbf731fff70481de1b4b")
         (revision "0"))
diff --git a/gnu/packages/game-development.scm b/gnu/packages/game-development.scm
index 00c0227749..6cae5ec3f3 100644
--- a/gnu/packages/game-development.scm
+++ b/gnu/packages/game-development.scm
@@ -1777,7 +1777,7 @@ that parenthetically inclined game developers need to make 2D (and eventually
 (define-public guile3.0-chickadee
   (package
     (inherit guile-chickadee)
-    (name "guile-chickadee")
+    (name "guile3.0-chickadee")
     (version "0.4.0")
     (source (origin
               (method url-fetch)
diff --git a/gnu/packages/gnome.scm b/gnu/packages/gnome.scm
index 16728d924f..0a034bec2d 100644
--- a/gnu/packages/gnome.scm
+++ b/gnu/packages/gnome.scm
@@ -8073,13 +8073,14 @@ desktop.  It supports world clock, stop watch, alarms, and count down timer.")
        ("glib-bin" ,glib "bin")         ; For glib-compile-schemas
        ("pkg-config" ,pkg-config)))
     (inputs
-     `(("evolution-data-server" ,evolution-data-server)
-       ("gnome-online-accounts:lib" ,gnome-online-accounts "lib")
+     `(("gnome-online-accounts:lib" ,gnome-online-accounts "lib")
        ("gsettings-desktop-schemas" ,gsettings-desktop-schemas)
        ("libdazzle" ,libdazzle)
        ("libedataserverui" ,evolution-data-server)
        ("libgweather" ,libgweather)
        ("geoclue" ,geoclue)))
+    (propagated-inputs
+     `(("evolution-data-server" ,evolution-data-server)))
     (home-page "https://wiki.gnome.org/Apps/Calendar")
     (synopsis "GNOME's calendar application")
     (description
diff --git a/gnu/packages/gsasl.scm b/gnu/packages/gsasl.scm
index a796f9aa82..98acc3c756 100644
--- a/gnu/packages/gsasl.scm
+++ b/gnu/packages/gsasl.scm
@@ -35,14 +35,14 @@
 (define-public libntlm
   (package
     (name "libntlm")
-    (version "1.5")
+    (version "1.6")
     (source (origin
               (method url-fetch)
               (uri (string-append "https://www.nongnu.org/libntlm/releases/"
                                   "libntlm-" version ".tar.gz"))
               (sha256
                (base32
-                "1gcvv7f9rggpxay81qv6kw5hr6gd4qiyzkbwhzz02fx9jvv9kmsk"))))
+                "08b83nss16jsn213j326yhn1vnrz10k15fwq6jm5b1vdn23nndzj"))))
     (build-system gnu-build-system)
     (synopsis "Library that implements NTLM authentication")
     (description
diff --git a/gnu/packages/hardware.scm b/gnu/packages/hardware.scm
index 7ee657a75a..114332455e 100644
--- a/gnu/packages/hardware.scm
+++ b/gnu/packages/hardware.scm
@@ -79,6 +79,43 @@ calibrated, and restored when the calibration is applied.")
     (license (list license:bsd-3        ; FindDDCUtil.cmake
                    license:gpl2+))))    ; everything else
 
+(define-public edid-decode
+  (let ((commit "74b64180d67bb009d8d9ea1b6f18ad41aaa16396") ; 2020-04-22
+        (revision "1"))
+    (package
+      (name "edid-decode")
+      (version (git-version "0.0.0" revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (file-name (git-file-name name version))
+         (uri (git-reference
+               (url "git://linuxtv.org/edid-decode.git")
+               (commit commit)))
+         (sha256
+          (base32 "0nirp5bza08zj5d8bjgcm0p869hdg3qg3mwa7999pjdrzmn7s2ah"))))
+      (build-system gnu-build-system)
+      (arguments
+       `(#:tests? #f                     ; No test suite
+         #:make-flags
+         (list (string-append "DESTDIR=" (assoc-ref %outputs "out"))
+               "bindir=/bin" "mandir=/share/man")
+         #:phases
+         (modify-phases %standard-phases
+           (add-after 'unpack 'fix-cross-compilation
+             (lambda* (#:key native-inputs target #:allow-other-keys)
+               (when target
+                 (substitute* "Makefile"
+                   (("\\$\\(CXX\\)")
+                    (string-append target "-g++"))))
+               #t))
+           (delete 'configure))))
+      (home-page "https://git.linuxtv.org/edid-decode.git/")
+      (synopsis "Decode @dfn{EDID} data in human-readable format")
+      (description "edid-decode decodes @dfn{EDID} monitor description data in
+human-readable format and checks if it conforms to the standards.")
+      (license license:expat))))
+
 ;; Distinct from memtest86, which is obsolete.
 (define-public memtest86+
   (package
diff --git a/gnu/packages/linphone.scm b/gnu/packages/linphone.scm
index e5eb128c85..f96fff2fc4 100644
--- a/gnu/packages/linphone.scm
+++ b/gnu/packages/linphone.scm
@@ -410,6 +410,7 @@ including media capture, encoding and decoding, and rendering.")
                        "/linphone-" version ".tar.gz"))
        (sha256
         (base32 "0phhkx55xdyg28d4wn8l8q4yvsmdgzmjiw584d4s190sq1azm91x"))))
+    (outputs '("out" "doc" "tester"))
     (build-system cmake-build-system)
     (arguments
      `(#:tests? #f                      ; No test target
@@ -430,41 +431,60 @@ including media capture, encoding and decoding, and rendering.")
                   (guix build utils))
        #:phases
        (modify-phases %standard-phases
-         (add-after 'install 'glib-or-gtk-compile-schemas
-           (assoc-ref glib-or-gtk:%standard-phases 'glib-or-gtk-compile-schemas))
-         (add-after 'install 'glib-or-gtk-wrap
-           (assoc-ref glib-or-gtk:%standard-phases 'glib-or-gtk-wrap))
          (add-after 'unpack 'patch
            (lambda _
              (substitute* "gtk/main.c"
                (("#include \"liblinphone_gitversion.h\"")
                 ""))
-             #t)))))
+             #t))
+         (add-after 'install 'separate-outputs
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (doc (assoc-ref outputs "doc"))
+                    (tester (assoc-ref outputs "tester"))
+                    (tester-name (string-append ,name "_tester")))
+               ;; Copy the tester executable.
+               (mkdir-p (string-append tester "/bin"))
+               (rename-file (string-append out "/bin/" tester-name)
+                            (string-append tester "/bin/" tester-name))
+               ;; Copy the tester data files.
+               (mkdir-p (string-append tester "/share/"))
+               (rename-file (string-append out "/share/" tester-name)
+                            (string-append tester "/share/" tester-name))
+               ;; Copy the HTML and XML documentation.
+               (copy-recursively
+                (string-append out "/share/doc/linphone-" ,version)
+                (string-append doc "/share/doc/" ,name "-" ,version))
+               (delete-file-recursively
+                (string-append out "/share/doc/linphone-" ,version))
+               #t)))
+         (add-after 'separate-outputs 'glib-or-gtk-compile-schemas
+           (assoc-ref glib-or-gtk:%standard-phases 'glib-or-gtk-compile-schemas))
+         (add-after 'glib-or-gtk-compile-schemas 'glib-or-gtk-wrap
+           (assoc-ref glib-or-gtk:%standard-phases 'glib-or-gtk-wrap)))))
     (native-inputs
-     `(("dot" ,graphviz)
+     `(("gettext" ,gettext-minimal)
+       ("udev" ,eudev)                  ;for libudev.h
+       ;; For generating the C++ wrappers.
+       ("dot" ,graphviz)
        ("doxygen" ,doxygen)
-       ("gettext" ,gettext-minimal)
-       ("iconv" ,libiconv)
        ("python" ,python)
-       ("xml2" ,libxml2)
-       ("zlib" ,zlib)))
+       ("pystache" ,python-pystache)
+       ("six" ,python-six)))
     (inputs
      `(("bctoolbox" ,bctoolbox)
        ("belcard" ,belcard)
        ("bellesip" ,belle-sip)
        ("bzrtp", bzrtp)
-       ("hicolor-icon-theme" ,hicolor-icon-theme) ; Hard-coded for GTK UI
+       ("iconv" ,libiconv)
        ("glib" ,glib)
        ("gtk2" ,gtk+-2)
        ("mediastreamer2" ,mediastreamer2)
        ("notify" ,libnotify)
        ("ortp" ,ortp)
-       ("pystache" ,python-pystache)
-       ("six" ,python-six)
        ("sqlite" ,sqlite)
-       ("udev" ,eudev)))
-    (propagated-inputs
-     `(("murrine" ,murrine)))           ; Required for GTK UI
+       ("xml2" ,libxml2)
+       ("zlib" ,zlib)))
     (synopsis "Belledonne Communications Softphone Library")
     (description "Liblinphone is a high-level SIP library integrating
 all calling and instant messaging features into an unified
diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index 8f180c5c87..0f424ca828 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -369,26 +369,26 @@ corresponding UPSTREAM-SOURCE (an origin), using the given DEBLOB-SCRIPTS."
     (sha256 hash)))
 
 
-(define-public linux-libre-5.6-version "5.6.7")
+(define-public linux-libre-5.6-version "5.6.8")
 (define-public linux-libre-5.6-pristine-source
   (let ((version linux-libre-5.6-version)
-        (hash (base32 "1jljcva3gxg1yc2kw3jjgmhzzdm16nylzxl63zbndjza547l5813")))
+        (hash (base32 "1pw2q9509jzp84b6qasaais2ws25v2wrjh072q0x3j520zzl5q8r")))
    (make-linux-libre-source version
                             (%upstream-linux-source version hash)
                             deblob-scripts-5.6)))
 
-(define-public linux-libre-5.4-version "5.4.35")
+(define-public linux-libre-5.4-version "5.4.36")
 (define-public linux-libre-5.4-pristine-source
   (let ((version linux-libre-5.4-version)
-        (hash (base32 "1m06k19pbb3wz8z2dgf03jvzbbdh6q8jwwdz509s902a53vxasz1")))
+        (hash (base32 "13avfvimjyg4lhj9micgib9bb5qpx11cja5liypid0rf2acfmymr")))
    (make-linux-libre-source version
                             (%upstream-linux-source version hash)
                             deblob-scripts-5.4)))
 
-(define-public linux-libre-4.19-version "4.19.118")
+(define-public linux-libre-4.19-version "4.19.119")
 (define-public linux-libre-4.19-pristine-source
   (let ((version linux-libre-4.19-version)
-        (hash (base32 "15lcq3xky59v88vb8vvnmgcsmm1fadz0m4jyrii6rynsz5jr6x49")))
+        (hash (base32 "1klvdzz8sndg2zsr1anfy9p5fc1aapjqvc249myrbndyf55bk91b")))
     (make-linux-libre-source version
                              (%upstream-linux-source version hash)
                              deblob-scripts-4.19)))
diff --git a/gnu/packages/lisp-xyz.scm b/gnu/packages/lisp-xyz.scm
index 11fb3a0016..6818cf3a62 100644
--- a/gnu/packages/lisp-xyz.scm
+++ b/gnu/packages/lisp-xyz.scm
@@ -2670,10 +2670,11 @@ relational database engine.")
   (sbcl-package->cl-source-package sbcl-cl-sqlite))
 
 (define-public sbcl-parenscript
-  (let ((commit "061d8e286c81c3f45c84fb2b11ee7d83f590a8f8"))
+  ;; Source archives are overwritten on every release, we use the Git repo instead.
+  (let ((commit "7a1ac46353cecd144fc91915ba9f122aafcf4766"))
     (package
       (name "sbcl-parenscript")
-      (version (git-version "2.6" "1" commit))
+      (version (git-version "2.7.1" "1" commit))
       (source
        (origin
          (method git-fetch)
@@ -2683,7 +2684,7 @@ relational database engine.")
          (file-name (git-file-name "parenscript" version))
          (sha256
           (base32
-           "1kbhgsjbikc73m5cwdp4d4fdafyqcr1b7b630qjrziql0nh6mi3k"))))
+           "0c22lqarrpbq82dg1sb3y6mp6w2faczp34ymzhnmff88yfq1xzsf"))))
       (build-system asdf-build-system/sbcl)
       (inputs
        `(("cl-ppcre" ,sbcl-cl-ppcre)
@@ -2916,7 +2917,20 @@ is a library for creating graphical user interfaces.")
            (lambda* (#:key inputs #:allow-other-keys)
              (substitute* "gobject/gobject.init.lisp"
                (("libgobject" all) (string-append
-                                    (assoc-ref inputs "glib") "/lib/" all))))))))))
+                                    (assoc-ref inputs "glib") "/lib/" all)))))
+         (add-after 'install 'link-source
+           ;; Since source is particularly heavy (16MiB+), let's reuse it
+           ;; across the different components of cl-ffi-gtk.
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let ((glib-source (string-append (assoc-ref inputs "cl-cffi-gtk-glib")
+                                               "/share/common-lisp/sbcl-source/"
+                                               "cl-cffi-gtk-glib"))
+                   (out-source (string-append (assoc-ref outputs "out")
+                                              "/share/common-lisp/sbcl-source/"
+                                              "cl-cffi-gtk-gobject")))
+               (delete-file-recursively out-source)
+               (symlink glib-source out-source)
+               #t))))))))
 
 (define-public sbcl-cl-cffi-gtk-gio
   (package
@@ -2936,7 +2950,20 @@ is a library for creating graphical user interfaces.")
              (substitute* "gio/gio.init.lisp"
                (("libgio" all)
                 (string-append
-                 (assoc-ref inputs "glib") "/lib/" all))))))))))
+                 (assoc-ref inputs "glib") "/lib/" all)))))
+         (add-after 'install 'link-source
+           ;; Since source is particularly heavy (16MiB+), let's reuse it
+           ;; across the different components of cl-ffi-gtk.
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let ((glib-source (string-append (assoc-ref inputs "cl-cffi-gtk-glib")
+                                               "/share/common-lisp/sbcl-source/"
+                                               "cl-cffi-gtk-glib"))
+                   (out-source (string-append (assoc-ref outputs "out")
+                                              "/share/common-lisp/sbcl-source/"
+                                              "cl-cffi-gtk-gio")))
+               (delete-file-recursively out-source)
+               (symlink glib-source out-source)
+               #t))))))))
 
 (define-public sbcl-cl-cffi-gtk-cairo
   (package
@@ -2955,7 +2982,20 @@ is a library for creating graphical user interfaces.")
              (substitute* "cairo/cairo.init.lisp"
                (("libcairo" all)
                 (string-append
-                 (assoc-ref inputs "cairo") "/lib/" all))))))))))
+                 (assoc-ref inputs "cairo") "/lib/" all)))))
+         (add-after 'install 'link-source
+           ;; Since source is particularly heavy (16MiB+), let's reuse it
+           ;; across the different components of cl-ffi-gtk.
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let ((glib-source (string-append (assoc-ref inputs "cl-cffi-gtk-glib")
+                                               "/share/common-lisp/sbcl-source/"
+                                               "cl-cffi-gtk-glib"))
+                   (out-source (string-append (assoc-ref outputs "out")
+                                              "/share/common-lisp/sbcl-source/"
+                                              "cl-cffi-gtk-cairo")))
+               (delete-file-recursively out-source)
+               (symlink glib-source out-source)
+               #t))))))))
 
 (define-public sbcl-cl-cffi-gtk-pango
   (package
@@ -2976,7 +3016,20 @@ is a library for creating graphical user interfaces.")
              (substitute* "pango/pango.init.lisp"
                (("libpango" all)
                 (string-append
-                 (assoc-ref inputs "pango") "/lib/" all))))))))))
+                 (assoc-ref inputs "pango") "/lib/" all)))))
+         (add-after 'install 'link-source
+           ;; Since source is particularly heavy (16MiB+), let's reuse it
+           ;; across the different components of cl-ffi-gtk.
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let ((glib-source (string-append (assoc-ref inputs "cl-cffi-gtk-glib")
+                                               "/share/common-lisp/sbcl-source/"
+                                               "cl-cffi-gtk-glib"))
+                   (out-source (string-append (assoc-ref outputs "out")
+                                              "/share/common-lisp/sbcl-source/"
+                                              "cl-cffi-gtk-pango")))
+               (delete-file-recursively out-source)
+               (symlink glib-source out-source)
+               #t))))))))
 
 (define-public sbcl-cl-cffi-gtk-gdk-pixbuf
   (package
@@ -2985,6 +3038,7 @@ is a library for creating graphical user interfaces.")
     (inputs
      `(("gdk-pixbuf" ,gdk-pixbuf)
        ("cl-cffi-gtk-gobject" ,sbcl-cl-cffi-gtk-gobject)
+       ("cl-cffi-gtk-glib" ,sbcl-cl-cffi-gtk-glib)
        ,@(package-inputs sbcl-cl-cffi-gtk-boot0)))
     (arguments
      `(#:asd-file "gdk-pixbuf/cl-cffi-gtk-gdk-pixbuf.asd"
@@ -2995,7 +3049,20 @@ is a library for creating graphical user interfaces.")
              (substitute* "gdk-pixbuf/gdk-pixbuf.init.lisp"
                (("libgdk_pixbuf" all)
                 (string-append
-                 (assoc-ref inputs "gdk-pixbuf") "/lib/" all))))))))))
+                 (assoc-ref inputs "gdk-pixbuf") "/lib/" all)))))
+         (add-after 'install 'link-source
+           ;; Since source is particularly heavy (16MiB+), let's reuse it
+           ;; across the different components of cl-ffi-gtk.
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let ((glib-source (string-append (assoc-ref inputs "cl-cffi-gtk-glib")
+                                               "/share/common-lisp/sbcl-source/"
+                                               "cl-cffi-gtk-glib"))
+                   (out-source (string-append (assoc-ref outputs "out")
+                                              "/share/common-lisp/sbcl-source/"
+                                              "cl-cffi-gtk-gdk-pixbuf")))
+               (delete-file-recursively out-source)
+               (symlink glib-source out-source)
+               #t))))))))
 
 (define-public sbcl-cl-cffi-gtk-gdk
   (package
@@ -3003,6 +3070,7 @@ is a library for creating graphical user interfaces.")
     (name "sbcl-cl-cffi-gtk-gdk")
     (inputs
      `(("gtk" ,gtk+)
+       ("cl-cffi-gtk-glib" ,sbcl-cl-cffi-gtk-glib)
        ("cl-cffi-gtk-gobject" ,sbcl-cl-cffi-gtk-gobject)
        ("cl-cffi-gtk-gio" ,sbcl-cl-cffi-gtk-gio)
        ("cl-cffi-gtk-gdk-pixbuf" ,sbcl-cl-cffi-gtk-gdk-pixbuf)
@@ -3022,7 +3090,20 @@ is a library for creating graphical user interfaces.")
              (substitute* "gdk/gdk.package.lisp"
                (("libgtk" all)
                 (string-append
-                 (assoc-ref inputs "gtk") "/lib/" all))))))))))
+                 (assoc-ref inputs "gtk") "/lib/" all)))))
+         (add-after 'install 'link-source
+           ;; Since source is particularly heavy (16MiB+), let's reuse it
+           ;; across the different components of cl-ffi-gtk.
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let ((glib-source (string-append (assoc-ref inputs "cl-cffi-gtk-glib")
+                                               "/share/common-lisp/sbcl-source/"
+                                               "cl-cffi-gtk-glib"))
+                   (out-source (string-append (assoc-ref outputs "out")
+                                              "/share/common-lisp/sbcl-source/"
+                                              "cl-cffi-gtk-gdk")))
+               (delete-file-recursively out-source)
+               (symlink glib-source out-source)
+               #t))))))))
 
 (define-public sbcl-cl-cffi-gtk
   (package
@@ -3041,7 +3122,22 @@ is a library for creating graphical user interfaces.")
        #:test-asd-file "test/cl-cffi-gtk-test.asd"
        ;; TODO: Tests fail with memory fault.
        ;; See https://github.com/Ferada/cl-cffi-gtk/issues/24.
-       #:tests? #f))))
+       #:tests? #f
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'install 'link-source
+           ;; Since source is particularly heavy (16MiB+), let's reuse it
+           ;; across the different components of cl-ffi-gtk.
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let ((glib-source (string-append (assoc-ref inputs "cl-cffi-gtk-glib")
+                                               "/share/common-lisp/sbcl-source/"
+                                               "cl-cffi-gtk-glib"))
+                   (out-source (string-append (assoc-ref outputs "out")
+                                              "/share/common-lisp/sbcl-source/"
+                                              "cl-cffi-gtk")))
+               (delete-file-recursively out-source)
+               (symlink glib-source out-source)
+               #t))))))))
 
 (define-public cl-cffi-gtk
   (sbcl-package->cl-source-package sbcl-cl-cffi-gtk))
@@ -11443,21 +11539,19 @@ MOP easier to use.")
       (arguments
        `(#:phases
          (modify-phases %standard-phases
-           (add-before 'validate-runpath 'cleanup-files
+           ;; The cleanup phase moves files around but we need to keep the
+           ;; directory structure for the grovel-generated library.
+           (replace 'cleanup
              (lambda* (#:key outputs #:allow-other-keys)
                (let* ((out (assoc-ref outputs "out"))
-                      (lib (string-append out "/lib/sbcl")))
-                 (for-each
-                  delete-file
-                  (filter (lambda (file)
-                            (not (member (basename file)
-                                         '("basic-unixint__grovel"
-                                           "libosicat.so"
-                                           "osicat--system.fasl"
-                                           "osicat.asd"
-                                           "unixint__grovel"))))
-                          (find-files lib ".*")))
-                 #t))))))
+                      (lib (string-append out "/lib/sbcl/")))
+                 (delete-file-recursively (string-append lib "src"))
+                 (delete-file-recursively (string-append lib "tests"))
+                 (for-each delete-file
+                           (filter (lambda (file)
+                                     (not (member (basename file) '("libosicat.so"))))
+                                   (find-files (string-append lib "posix") ".*"))))
+               #t)))))
       (inputs
        `(("alexandria" ,sbcl-alexandria)
          ("cffi" ,sbcl-cffi)
diff --git a/gnu/packages/lisp.scm b/gnu/packages/lisp.scm
index 48836934f4..619794ae71 100644
--- a/gnu/packages/lisp.scm
+++ b/gnu/packages/lisp.scm
@@ -223,7 +223,7 @@ interface to the Tk widget system.")
 (define-public ecl
   (package
     (name "ecl")
-    (version "16.1.3")
+    (version "20.4.24")
     (source
      (origin
        (method url-fetch)
@@ -231,26 +231,22 @@ interface to the Tk widget system.")
              "https://common-lisp.net/project/ecl/static/files/release/"
              name "-" version ".tgz"))
        (sha256
-        (base32 "0m0j24w5d5a9dwwqyrg0d35c0nys16ijb4r0nyk87yp82v38b9bn"))
-       (modules '((guix build utils)))
-       (snippet
-        '(begin
-           ;; Adjust for ABI change in LibFFI 3.3.  See:
-           ;; https://gitlab.com/embeddable-common-lisp/ecl/-/issues/302
-           ;; https://gitlab.com/embeddable-common-lisp/ecl/-/merge_requests/171
-           (substitute* "src/c/ffi.d"
-             (("FFI_SYSV") "FFI_UNIX64"))
-           #t))))
+        (base32 "01qgdmr54wkj854f69qdm9sybrvd6gd21dpx4askdaaqybnkh237"))))
     (build-system gnu-build-system)
     ;; src/configure uses 'which' to confirm the existence of 'gzip'.
-    (native-inputs `(("cl-asdf" ,cl-asdf)
-                     ("which" ,which)))
-    (inputs `(("gmp" ,gmp)
-              ("libatomic-ops" ,libatomic-ops)
-              ("libgc" ,libgc)
-              ("libffi" ,libffi)))
+    (native-inputs
+     `(("cl-asdf" ,cl-asdf)
+       ("which" ,which)
+       ("texinfo" ,texinfo)))
+    (inputs
+     `(("gmp" ,gmp)
+       ("libatomic-ops" ,libatomic-ops)
+       ("libgc" ,libgc)
+       ("libffi" ,libffi)))
     (arguments
      `(#:configure-flags '("--without-rt")
+       ;; FIXME: As of version 20.4.24, we pass 17995 tests and fail 7.
+       ;; 2-3 tests may be due to FHS assumptions.
        #:tests? #t
        #:parallel-tests? #f
        #:phases
@@ -311,9 +307,10 @@ bytecode compiler and interpreter, being able to compile Common Lisp with any
 C/C++ compiler, being able to build standalone executables and libraries, and
 supporting ASDF, Sockets, Gray streams, MOP, and other useful components.")
     ;; Note that the file "Copyright" points to some files and directories
-    ;; which aren't under the lgpl2.0+ and instead contain many different,
+    ;; which aren't under the lgpl2.1+ and instead contain many different,
     ;; non-copyleft licenses.
-    (license license:lgpl2.0+)))
+    ;; See https://common-lisp.net/project/ecl/posts/ECL-license.html.
+    (license license:lgpl2.1+)))
 
 (define-public clisp
   (package
@@ -375,14 +372,14 @@ an interpreter, a compiler, a debugger, and much more.")
 (define-public sbcl
   (package
     (name "sbcl")
-    (version "2.0.3")
+    (version "2.0.4")
     (source
      (origin
        (method url-fetch)
        (uri (string-append "mirror://sourceforge/sbcl/sbcl/" version "/sbcl-"
                            version "-source.tar.bz2"))
        (sha256
-        (base32 "001gckyw8hl842nk7nwf5kcspzkc1g8dycpwylzh5chl6893ym5m"))))
+        (base32 "1lc2i4qq1kfdybmxnj2zq2hn3hfx0vvlqim4gvlgvs3bfr0lcaqj"))))
     (build-system gnu-build-system)
     (outputs '("out" "doc"))
     (native-inputs
@@ -401,7 +398,7 @@ an interpreter, a compiler, a debugger, and much more.")
      ;;
      ;; CCL is not bootstrappable so it won't do.  CLISP 2.49 seems to work.
      ;; ECL too.  ECL builds SBCL about 20% slower than CLISP.  As of
-     ;; 2019-09-05, ECL was last updated in 2016 while CLISP was last updated
+     ;; 2019-09-05, ECL was last updated in 2020 while CLISP was last updated
      ;; in 2010.
      ;;
      ;; For now we stick to CLISP for all systems.  We keep the `match' here to
diff --git a/gnu/packages/machine-learning.scm b/gnu/packages/machine-learning.scm
index 82767bb84b..6552d171bf 100644
--- a/gnu/packages/machine-learning.scm
+++ b/gnu/packages/machine-learning.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2015, 2016, 2017, 2018, 2019 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2015, 2016, 2017, 2018, 2019, 2020 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2016, 2020 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2016, 2017, 2020 Marius Bakke <mbakke@fastmail.com>
 ;;; Copyright © 2016 Hartmut Goebel <h.goebel@crazy-compilers.com>
@@ -13,6 +13,7 @@
 ;;; Copyright © 2019 Nicolas Goaziou <mail@nicolasgoaziou.fr>
 ;;; Copyright © 2019 Guillaume Le Vaillant <glv@posteo.net>
 ;;; Copyright © 2019 Brett Gilio <brettg@gnu.org>
+;;; Copyright © 2020 Konrad Hinsen <konrad.hinsen@fastmail.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -835,13 +836,13 @@ computing environments.")
     (inputs
      `(("openblas" ,openblas)))
     (native-inputs
-     `(("python-joblib" ,python-joblib)
-       ("python-pytest" ,python-pytest)
+     `(("python-pytest" ,python-pytest)
        ("python-pandas" ,python-pandas) ;for tests
        ("python-cython" ,python-cython)))
     (propagated-inputs
      `(("python-numpy" ,python-numpy)
-       ("python-scipy" ,python-scipy)))
+       ("python-scipy" ,python-scipy)
+       ("python-joblib" ,python-joblib)))
     (home-page "https://scikit-learn.org/")
     (synopsis "Machine Learning in Python")
     (description
@@ -867,6 +868,35 @@ data analysis.")
                  (base32
                   "08zbzi8yx5wdlxfx9jap61vg1malc9ajf576w7a0liv6jvvrxlpj")))))))
 
+(define-public python-scikit-rebate
+  (package
+    (name "python-scikit-rebate")
+    (version "0.6")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "skrebate" version))
+              (sha256
+               (base32
+                "1h7qs9gjxpzqabzhb8rmpv3jpmi5iq41kqdibg48299h94iikiw7"))))
+    (build-system python-build-system)
+    ;; Pandas is only needed to run the tests.
+    (native-inputs
+     `(("python-pandas" ,python-pandas)))
+    (propagated-inputs
+     `(("python-numpy" ,python-numpy)
+       ("python-scipy" ,python-scipy)
+       ("python-scikit-learn" ,python-scikit-learn)
+       ("python-joblib" ,python-joblib)))
+    (home-page "https://epistasislab.github.io/scikit-rebate/")
+    (synopsis "Relief-based feature selection algorithms for Python")
+    (description "Scikit-rebate is a scikit-learn-compatible Python
+implementation of ReBATE, a suite of Relief-based feature selection algorithms
+for Machine Learning.  These algorithms excel at identifying features that are
+predictive of the outcome in supervised learning problems, and are especially
+good at identifying feature interactions that are normally overlooked by
+standard feature selection algorithms.")
+    (license license:expat)))
+
 (define-public python-autograd
   (let* ((commit "442205dfefe407beffb33550846434baa90c4de7")
          (revision "0")
@@ -1027,8 +1057,8 @@ association studies (GWAS) on extremely large data sets.")
 
 ;; There have been no proper releases yet.
 (define-public kaldi
-  (let ((commit "2f95609f0bb085bd3a1dc5eb0a39f3edea59e606")
-        (revision "1"))
+  (let ((commit "d4791c0f3fc1a09c042dac365e120899ee2ad21e")
+        (revision "2"))
     (package
       (name "kaldi")
       (version (git-version "0" revision commit))
@@ -1040,7 +1070,7 @@ association studies (GWAS) on extremely large data sets.")
                 (file-name (git-file-name name version))
                 (sha256
                  (base32
-                  "082qh3pfi7hvncylp4xsmkfahbd7gb0whdfa4rwrx7fxk9rdh3kz"))))
+                  "07k80my6f19mhrkwbzhjsnpf9871wmrwkl0ym468i830w67qyjrz"))))
       (build-system gnu-build-system)
       (arguments
        `(#:test-target "test"
@@ -1138,8 +1168,8 @@ written in C++.")
       (license license:asl2.0))))
 
 (define-public gst-kaldi-nnet2-online
-  (let ((commit "617e43e73c7cc45eb9119028c02bd4178f738c4a")
-        (revision "1"))
+  (let ((commit "cb227ef43b66a9835c14eb0ad39e08ee03c210ad")
+        (revision "2"))
     (package
       (name "gst-kaldi-nnet2-online")
       (version (git-version "0" revision commit))
@@ -1151,7 +1181,7 @@ written in C++.")
                 (file-name (git-file-name name version))
                 (sha256
                  (base32
-                  "0xh3w67b69818s6ib02ara4lw7wamjdmh4jznvkpzrs4skbs9jx9"))))
+                  "1i6ffwiavxx07ri0lxix6s8q0r31x7i4xxvhys5jxkixf5q34w8g"))))
       (build-system gnu-build-system)
       (arguments
        `(#:tests? #f                    ; there are none
@@ -1209,8 +1239,9 @@ automatically.")
       (license license:asl2.0))))
 
 (define-public kaldi-gstreamer-server
-  (let ((commit "1735ba49c5dc0ebfc184e45105fc600cd9f1f508")
-        (revision "1"))
+  ;; This is the tip of the py3 branch
+  (let ((commit "f68cab490be7eb0da2af1475fbc16655f50a60cb")
+        (revision "2"))
     (package
       (name "kaldi-gstreamer-server")
       (version (git-version "0" revision commit))
@@ -1222,7 +1253,7 @@ automatically.")
                 (file-name (git-file-name name version))
                 (sha256
                  (base32
-                  "0j701m7lbwmzqxsfanj882v7881hrbmpqybbczbxqpcbg8q34w0k"))))
+                  "17lh1368vkg8ngrcbn2phvigzlmalrqg6djx2gg61qq1a0nj87dm"))))
       (build-system gnu-build-system)
       (arguments
        `(#:tests? #f ; there are no tests that can be run automatically
@@ -1238,6 +1269,14 @@ automatically.")
                ;; are reproducible.
                (setenv "PYTHONHASHSEED" "0")
                (with-directory-excursion "kaldigstserver"
+                 ;; See https://github.com/alumae/kaldi-gstreamer-server/issues/232
+                 (substitute* "master_server.py"
+                   (("\\.replace\\('\\\\.*") ")"))
+
+                 ;; This is a Python 2 file
+                 (delete-file "decoder_test.py")
+                 (delete-file "test-buffer.py")
+
                  (for-each (lambda (file)
                              (apply invoke
                                     `("python"
@@ -1288,12 +1327,10 @@ exec ~a ~a/~a \"$@\"~%"
                  #t))))))
       (inputs
        `(("gst-kaldi-nnet2-online" ,gst-kaldi-nnet2-online)
-         ("python2" ,python-2)
-         ("python2-futures" ,python2-futures)
-         ("python2-pygobject" ,python2-pygobject)
-         ("python2-pyyaml" ,python2-pyyaml)
-         ("python2-tornado" ,python2-tornado)
-         ("python2-ws4py" ,python2-ws4py-for-kaldi-gstreamer-server)))
+         ("python" ,python-wrapper)
+         ("python-pygobject" ,python-pygobject)
+         ("python-pyyaml" ,python-pyyaml)
+         ("python-tornado" ,python-tornado-6)))
       (home-page "https://github.com/alumae/kaldi-gstreamer-server")
       (synopsis "Real-time full-duplex speech recognition server")
       (description "This is a real-time full-duplex speech recognition server,
diff --git a/gnu/packages/magic-wormhole.scm b/gnu/packages/magic-wormhole.scm
index bdfc1162b6..465e6aced6 100644
--- a/gnu/packages/magic-wormhole.scm
+++ b/gnu/packages/magic-wormhole.scm
@@ -29,14 +29,14 @@
 (define-public magic-wormhole-mailbox-server
   (package
     (name "magic-wormhole-mailbox-server")
-    (version "0.3.1")
+    (version "0.4.1")
     (source
       (origin
         (method url-fetch)
         (uri (pypi-uri "magic-wormhole-mailbox-server" version))
         (sha256
          (base32
-          "1q6zhbx8fcpk7rchclm7yqcxdsc1x97hki2ji61sa544r5xvxv55"))))
+          "1yw8i8jv5iv1kkz1aqimskw7fpichjn6ww0fq0czbalwj290bw8s"))))
     (build-system python-build-system)
     (arguments
      '(#:phases
@@ -68,14 +68,14 @@ connection, or through a transit-relay.")
 (define-public magic-wormhole-transit-relay
   (package
     (name "magic-wormhole-transit-relay")
-    (version "0.1.2")
+    (version "0.2.1")
     (source
       (origin
         (method url-fetch)
         (uri (pypi-uri "magic-wormhole-transit-relay" version))
         (sha256
          (base32
-          "11w5gdc6am2ph5rns60x0694sx4zrlzxj540jljhn5cmnbx1ngxi"))))
+          "0ppsx2s1ysikns1h053x67z2zmficbn3y3kf52bzzslhd2s02j6b"))))
     (build-system python-build-system)
     (arguments
      `(#:phases
@@ -107,14 +107,14 @@ together, allowing them to pretend they have a direct connection.")
 (define-public magic-wormhole
   (package
     (name "magic-wormhole")
-    (version "0.11.2")
+    (version "0.12.0")
     (source
       (origin
         (method url-fetch)
         (uri (pypi-uri "magic-wormhole" version))
         (sha256
          (base32
-          "01fr4bi6kc6fz9n3c4qq892inrc3nf6p2djy65yvm7xkvdxncydf"))))
+          "0q41j99718y7m95zg1vaybnsp31lp6lhyqkbv4yqz5ys6jixh3qv"))))
     (build-system python-build-system)
     (arguments
      '(#:phases
diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index f656f5745f..8fbce15418 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -5,7 +5,7 @@
 ;;; Copyright © 2014, 2015, 2016, 2017, 2018, 2019, 2020 Eric Bavier <bavier@posteo.net>
 ;;; Copyright © 2014 Federico Beffa <beffa@fbengineering.ch>
 ;;; Copyright © 2014 Mathieu Lirzin <mathieu.lirzin@openmailbox.org>
-;;; Copyright © 2015, 2016, 2017, 2018, 2019 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2015, 2016, 2017, 2018, 2019, 2020 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2015 Sou Bunnbu <iyzsong@gmail.com>
 ;;; Copyright © 2015, 2018 Mark H Weaver <mhw@netris.org>
 ;;; Copyright © 2015, 2016, 2017, 2018, 2019 Efraim Flashner <efraim@flashner.co.il>
@@ -1320,6 +1320,45 @@ Swath).")
                #t))))))
     (synopsis "Management suite for data with parallel IO support")))
 
+(define-public hdf5-blosc
+  (package
+    (name "hdf5-blosc")
+    (version "1.0.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/Blosc/hdf5-blosc.git")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "1nj2bm1v6ymm3fmyvhbn6ih5fgdiapavlfghh1pvbmhw71cysyqs"))))
+    (build-system cmake-build-system)
+    (arguments
+     `(#:configure-flags
+       (list (string-append "-DBLOSC_INSTALL_DIR="
+                            (assoc-ref %build-inputs "c-blosc"))
+             (string-append "-DPLUGIN_INSTALL_PATH="
+                            (assoc-ref %outputs "out")
+                            "/hdf5/lib/plugin"))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'do-not-build-blosc
+           (lambda _
+             (substitute* "CMakeLists.txt"
+               (("set\\(BLOSC_INSTALL_DIR.*") "")
+               (("ExternalProject_Add\\(project_blosc") "message("))
+             #t)))))
+    (inputs
+     `(("c-blosc" ,c-blosc)
+       ("hdf5" ,hdf5-1.10)))
+    (home-page "https://github.com/Blosc/hdf5-blosc")
+    (synopsis "Filter for HDF5 using the Blosc compressor")
+    (description "This is a filter for HDF5 that uses the Blosc compressor; by
+installing this filter, you can read and write HDF5 files with
+Blosc-compressed datasets.")
+    (license license:expat)))
+
 (define-public h5check
   (package
     (name "h5check")
diff --git a/gnu/packages/mpd.scm b/gnu/packages/mpd.scm
index 303af32983..755fa5d482 100644
--- a/gnu/packages/mpd.scm
+++ b/gnu/packages/mpd.scm
@@ -92,7 +92,7 @@ interfacing MPD in the C, C++ & Objective C languages.")
 (define-public mpd
   (package
     (name "mpd")
-    (version "0.21.22")
+    (version "0.21.23")
     (source (origin
               (method url-fetch)
               (uri
@@ -101,7 +101,7 @@ interfacing MPD in the C, C++ & Objective C languages.")
                               "/mpd-" version ".tar.xz"))
               (sha256
                (base32
-                "18lvyv3crijki5nxjdhf1byayyavdvj07dk6rm856n4vi78qfmjn"))))
+                "18q72b9baj5cdpq0yn60qm7q4g8vwqqyqndl9xg3f3w0m4n557s3"))))
     (build-system meson-build-system)
     (arguments
      `(#:configure-flags '("-Ddocumentation=true"))) ;the default is 'false'...
diff --git a/gnu/packages/music.scm b/gnu/packages/music.scm
index ababcd8aaa..03510deeda 100644
--- a/gnu/packages/music.scm
+++ b/gnu/packages/music.scm
@@ -99,6 +99,7 @@
   #:use-module (gnu packages gnome)
   #:use-module (gnu packages gpodder)
   #:use-module (gnu packages graphics)
+  #:use-module (gnu packages graphviz)
   #:use-module (gnu packages gstreamer)
   #:use-module (gnu packages gtk)
   #:use-module (gnu packages guile)
@@ -5158,7 +5159,7 @@ and as an LV2 plugin.")
 (define-public zrythm
   (package
     (name "zrythm")
-    (version "0.8.200")
+    (version "0.8.333")
     (source
       (origin
         (method url-fetch)
@@ -5166,7 +5167,7 @@ and as an LV2 plugin.")
                             version ".tar.xz"))
         (sha256
           (base32
-            "13ivxbrd44qnhyh46dcr94dvqxg8cn4bbd8xm77ljw0p9b4ks4zs"))))
+            "0x2kxr5zz058jpy6k6ymj0fi2gqfcgrlv4qkwz9443hjy5345iwb"))))
    (build-system meson-build-system)
    (arguments
     `(#:glib-or-gtk? #t
@@ -5190,7 +5191,9 @@ and as an LV2 plugin.")
       ("fftwf" ,fftwf)
       ("gettext" ,gettext-minimal)
       ("glibc" ,glibc)
+      ("graphviz" ,graphviz)
       ("gtk+" ,gtk+)
+      ("gtksourceview" ,gtksourceview)
       ("guile" ,guile-2.2)
       ("libcyaml" ,libcyaml)
       ("libsamplerate" ,libsamplerate)
diff --git a/gnu/packages/openldap.scm b/gnu/packages/openldap.scm
index 75fe8f9b73..14bf874f48 100644
--- a/gnu/packages/openldap.scm
+++ b/gnu/packages/openldap.scm
@@ -6,6 +6,7 @@
 ;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2019 Mathieu Othacehe <m.othacehe@gmail.com>
 ;;; Copyright © 2020 Lars-Dominik Braun <ldb@leibniz-psychology.org>
+;;; Copyright © 2020 Efraim Flashner <efraim@flashner.co.il>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -60,6 +61,7 @@
 (define-public openldap
   (package
    (name "openldap")
+   (replacement openldap-2.4.50)
    (version "2.4.49")
    (source (origin
             (method url-fetch)
@@ -125,6 +127,19 @@
    (license openldap2.8)
    (home-page "https://www.openldap.org/")))
 
+(define openldap-2.4.50
+  (package
+    (inherit openldap)
+    (version "2.4.50")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://www.openldap.org/software/download/"
+                                  "OpenLDAP/openldap-release/openldap-" version
+                                  ".tgz"))
+              (sha256
+               (base32
+                "1f46nlfwmys110j36sifm7ah8m8f3s10c3vaiikmmigmifapvdaw"))))))
+
 (define-public nss-pam-ldapd
   (package
     (name "nss-pam-ldapd")
diff --git a/gnu/packages/openstack.scm b/gnu/packages/openstack.scm
index 8dd8c1907c..a1e21d8872 100644
--- a/gnu/packages/openstack.scm
+++ b/gnu/packages/openstack.scm
@@ -4,6 +4,7 @@
 ;;; Copyright © 2016, 2017, 2019 Clément Lassieur <clement@lassieur.org>
 ;;; Copyright © 2018, 2019 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2018 Marius Bakke <mbakke@fastmail.com>
+;;; Copyright © 2020 Ricardo Wurmus <rekado@elephly.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -130,21 +131,31 @@ manner.")
 (define-public python-hacking
   (package
     (name "python-hacking")
-    (version "1.0.0")
+    (version "1.1.0")
     (source
      (origin
        (method url-fetch)
        (uri (pypi-uri "hacking" version))
        (sha256
         (base32
-         "0s9l99s64jsyvm28fa4hzllbdi21sb7jn4gzdf1pd5ckvy7p4b0k"))))
+         "1vlgh81v4vsw3q3cf7qggsp043vq16knp203lrll82h7l7rhd8r3"))))
     (build-system python-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'delete-broken-test
+           (lambda _
+             ;; TODO: Just one test fails:
+             ;; hacking.tests.test_doctest.HackingTestCase.test_pycodestyle
+             ;;   (H403-hacking_docstring_multiline_end-line-5)
+             (delete-file "hacking/tests/test_doctest.py")
+             #t)))))
     (propagated-inputs
-     `(("python-flake8" ,python-flake8-2.5)
+     `(("python-flake8" ,python-flake8-2.6)
        ("python-mccabe-0.2.1" ,python-mccabe-0.2.1)
        ("python-pbr" ,python-pbr)
        ("python-pep8-1.5.7" ,python-pep8-1.5.7)
-       ("python-pyflakes-0.8.1" ,python-pyflakes-0.8.1)
+       ("python-pyflakes-1.2" ,python-pyflakes-1.2)
        ("python-six" ,python-six)))
     (native-inputs
      `( ;; Tests
diff --git a/gnu/packages/package-management.scm b/gnu/packages/package-management.scm
index 85cfae25e0..4f3508109f 100644
--- a/gnu/packages/package-management.scm
+++ b/gnu/packages/package-management.scm
@@ -112,7 +112,7 @@
   ;; Note: the 'update-guix-package.scm' script expects this definition to
   ;; start precisely like this.
   (let ((version "1.1.0")
-        (commit "569c55bee2a74106b3ab8a07187ea9cd8cce410e")
+        (commit "619f9181a363576894a433206008b139255062dd")
         (revision 2))
     (package
       (name "guix")
@@ -129,7 +129,7 @@
                       (commit commit)))
                 (sha256
                  (base32
-                  "036lg8qj6hh2093lqwxdmwdir8frck8ap5king8sl4j29yc59jzc"))
+                  "1lk0h9zgry7m78nv70gxwb57pw1d5yzay477gxsc43v1aa7zg8sp"))
                 (file-name (string-append "guix-" version "-checkout"))))
       (build-system gnu-build-system)
       (arguments
diff --git a/gnu/packages/patches/emacs-telega-test-env.patch b/gnu/packages/patches/emacs-telega-test-env.patch
new file mode 100644
index 0000000000..75fe2e12fc
--- /dev/null
+++ b/gnu/packages/patches/emacs-telega-test-env.patch
@@ -0,0 +1,14 @@
+Test Emacs environment on startup.
+
+Patch by Diego N. Barbato
+
+--- a/telega.el	2020-02-07 17:07:18.549970090 +0100
++++ b/telega.el	2020-02-07 17:10:08.383499765 +0100
+@@ -82,6 +82,7 @@
+   "Start telegramming.
+ If prefix ARG is given, then will not pop to telega root buffer."
+   (interactive "P")
++  (telega-test-env t)
+   (telega--create-hier)
+ 
+   (unless (telega-server-live-p)
diff --git a/gnu/packages/python-science.scm b/gnu/packages/python-science.scm
index 530a2478f3..2f7516b9f6 100644
--- a/gnu/packages/python-science.scm
+++ b/gnu/packages/python-science.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2015, 2016 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2015, 2016, 2020 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2015 Federico Beffa <beffa@fbengineering.ch>
 ;;; Copyright © 2016 Ben Woodcroft <donttrustben@gmail.com>
 ;;; Copyright © 2016 Hartmut Goebel <h.goebel@crazy-compilers.com>
@@ -162,6 +162,39 @@ routines such as routines for numerical integration and optimization.")
         (base32
          "1cgvgin8fvckv96hjh3ikmwkra5rif51bdb75ifzf7xbil5iwcx4"))))))
 
+(define-public python2-weave
+  (package
+    (name "python2-weave")
+    (version "0.16.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "weave" version))
+       (sha256
+        (base32 "0jnm3584mfichgwgrd1gk5i42ll9c08nkw9716n947n4338f6ghs"))))
+    (build-system python-build-system)
+    (arguments
+     `(#:python ,python-2
+       #:phases
+       (modify-phases %standard-phases
+         (replace 'check
+           (lambda _
+             (invoke "nosetests" "-v"
+                     "--exclude"
+                     "test_(user|incorrect_ownership|char_fail|obj_fail)"))))))
+    (propagated-inputs
+     `(("python-numpy" ,python2-numpy)))
+    (native-inputs
+     `(("python-nose" ,python2-nose)))
+    (home-page "https://www.scipy.org/")
+    (synopsis "Tools for including C/C++ code within Python code")
+    (description "Weave is the stand-alone version of the obsolete Scipy
+submodule @code{scipy.weave}.  It is Python 2.x only, and is provided for
+users that need new versions of Scipy but have existing code that still
+depends on @code{scipy.weave}.  For new code, users are recommended to use
+Cython.")
+    (license license:bsd-3)))
+
 (define-public python-scikit-image
   (package
     (name "python-scikit-image")
diff --git a/gnu/packages/python-web.scm b/gnu/packages/python-web.scm
index 2486cb370f..27749246d8 100644
--- a/gnu/packages/python-web.scm
+++ b/gnu/packages/python-web.scm
@@ -879,6 +879,37 @@ connection to each user.")
     (license license:asl2.0)
     (properties `((python2-variant . ,(delay python2-tornado))))))
 
+(define-public python-tornado-6
+  (package
+    (name "python-tornado")
+    (version "6.0.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "tornado" version))
+       (sha256
+        (base32
+         "1p5n7sw4580pkybywg93p8ddqdj9lhhy72rzswfa801vlidx9qhg"))))
+    (build-system python-build-system)
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         (replace 'check
+           (lambda _
+             (invoke "python" "-m" "tornado.test.runtests")
+             #t)))))
+    (native-inputs
+     `(("python-certifi" ,python-certifi)))
+    (home-page "https://www.tornadoweb.org/")
+    (synopsis "Python web framework and asynchronous networking library")
+    (description
+     "Tornado is a Python web framework and asynchronous networking library,
+originally developed at FriendFeed.  By using non-blocking network I/O,
+Tornado can scale to tens of thousands of open connections, making it ideal
+for long polling, WebSockets, and other applications that require a long-lived
+connection to each user.")
+    (license license:asl2.0)))
+
 (define-public python2-tornado
   (let ((tornado (package-with-python2 (strip-python2-variant python-tornado))))
     (package (inherit tornado)
@@ -3280,32 +3311,6 @@ such as IoT applications or multi-user database-driven business applications.")
 Python.")
     (license license:bsd-3)))
 
-;; kaldi-gstreamer-server does not yet work with python-ws4py > 0.3.2
-(define-public python2-ws4py-for-kaldi-gstreamer-server
-  (package (inherit python-ws4py)
-    (name "python2-ws4py")
-    (version "0.3.2")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (pypi-uri "ws4py" version))
-       (sha256
-        (base32
-         "12ys3dv98awhrxd570vla3hqgzq3avjhq4yafhghhq3a942y1928"))))
-    (build-system python-build-system)
-    (arguments
-     `(#:python ,python-2
-       #:phases
-       (modify-phases %standard-phases
-         ;; We don't have a package for cherrypy.
-         (add-after 'unpack 'remove-cherrypy-support
-           (lambda _
-             (delete-file "ws4py/server/cherrypyserver.py")
-             #t)))))
-    (propagated-inputs
-     `(("python-gevent" ,python2-gevent)
-       ("python-tornado" ,python2-tornado)))))
-
 (define-public python-slugify
   (package
     (name "python-slugify")
@@ -3633,3 +3638,58 @@ and rendering come directly from GitHub, so you'll know exactly how it will
 appear.  Changes you make to the file will be instantly reflected in the browser
 without requiring a page refresh.")
       (license license:expat))))
+
+(define-public python-port-for
+  (package
+    (name "python-port-for")
+    (version "0.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "port-for" version))
+       (sha256
+        (base32
+         "1pncxlj25ggw99r0ijfbkq70gd7cbhqdx5ivsxy4jdp0z14cpda7"))))
+    (build-system python-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'use-urllib3
+           (lambda _
+             (substitute* "port_for/_download_ranges.py"
+               (("urllib2") "urllib3"))
+             #t)))))
+    (propagated-inputs
+     `(("python-urllib3" ,python-urllib3)))
+    (native-inputs
+     `(("python-mock" ,python-mock)))
+    (home-page "https://github.com/kmike/port-for/")
+    (synopsis "TCP localhost port finder and association manager")
+    (description
+     "This package provides a utility that helps with local TCP ports
+management.  It can find an unused TCP localhost port and remember the
+association.")
+    (license license:expat)))
+
+(define-public python-livereload
+  (package
+    (name "python-livereload")
+    (version "2.6.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "livereload" version))
+       (sha256
+        (base32
+         "0rhggz185bxc3zjnfpmhcvibyzi86i624za1lfh7x7ajsxw4y9c9"))))
+    (build-system python-build-system)
+    (propagated-inputs
+     `(("python-six" ,python-six)
+       ("python-tornado" ,python-tornado)))
+    (home-page "https://github.com/lepture/python-livereload")
+    (synopsis "Python LiveReload")
+    (description
+     "Python LiveReload provides a command line utility, @command{livereload},
+for starting a web server in a directory.  It can trigger arbitrary commands
+and serve updated contents upon changes to the directory.")
+    (license license:bsd-3)))
diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 25b8cd6529..642bf1ec9d 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -39,7 +39,7 @@
 ;;; Copyright © 2017 Ben Sturmfels <ben@sturm.com.au>
 ;;; Copyright © 2017, 2018, 2019 Mathieu Othacehe <m.othacehe@gmail.com>
 ;;; Copyright © 2017 José Miguel Sánchez García <jmi2k@openmailbox.org>
-;;; Copyright © 2017 Roel Janssen <roel@gnu.org>
+;;; Copyright © 2017, 2020 Roel Janssen <roel@gnu.org>
 ;;; Copyright © 2017, 2018, 2019 Kei Kebreau <kkebreau@posteo.net>
 ;;; Copyright © 2017 Rutger Helling <rhelling@mykolab.com>
 ;;; Copyright © 2017 Muriithi Frederick Muriuki <fredmanglis@gmail.com>
@@ -413,16 +413,17 @@ data for video and audio files.")
 (define-public python-psutil
   (package
     (name "python-psutil")
-    (version "5.6.5")
+    (version "5.7.0")
     (source
      (origin
        (method url-fetch)
        (uri (pypi-uri "psutil" version))
        (sha256
-        (base32 "0isil5jxwwd8awz54qk28rpgjg43i5l6yl70g40vxwa4r4m56lfh"))))
+        (base32 "03jykdi3dgf1cdal9bv4fq9zjvzj9l9bs99gi5ar81sdl5nc2pk8"))))
     (build-system python-build-system)
     (arguments
-     ;; FIXME: some tests does not return and times out.
+     ;; FIXME: some tests do not return and time out.  Some tests fail because
+     ;; some processes survive kill().
      '(#:tests? #f))
     (home-page "https://www.github.com/giampaolo/psutil")
     (synopsis "Library for retrieving information on running processes")
@@ -641,6 +642,30 @@ certificate returned by the server to which a connection has been established,
 and verifies that it matches the intended target hostname.")
     (license license:psfl)))
 
+(define-public python-bitarray
+  (package
+    (name "python-bitarray")
+    (version "1.2.1")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "bitarray" version))
+              (sha256
+               (base32
+                "1kxrlxfj9nrx512sfwifwl9z4v6ky3qschl0zmk3s3dvc3s7bmif"))))
+    (build-system python-build-system)
+    (home-page "https://github.com/ilanschnell/bitarray")
+    (synopsis "Efficient arrays of booleans")
+    (description "This package provides an object type which efficiently
+represents an array of booleans.  Bitarrays are sequence types and behave very
+much like usual lists.  Eight bits are represented by one byte in a contiguous
+block of memory.  The user can select between two representations:
+little-endian and big-endian.  All of the functionality is implemented in C.
+Methods for accessing the machine representation are provided.  This can be
+useful when bit level access to binary files is required, such as portable
+bitmap image files.  Also, when dealing with compressed data which uses
+variable bit length encoding, you may find this module useful.")
+    (license license:psfl)))
+
 (define-public python-boolean.py
   (package
     (name "python-boolean.py")
@@ -3208,6 +3233,77 @@ reStructuredText.")
                (base32
                 "0x22fs3pdmr42kvz6c654756wja305qv6cx1zbhwlagvxgr4xrji"))))))
 
+(define-public python-restructuredtext-lint
+  (package
+    (name "python-restructuredtext-lint")
+    (version "1.3.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "restructuredtext-lint" version))
+       (sha256
+        (base32
+         "026rdy5h82ng4vqxk8fnprii9d6qxf7hkygiv0a8afjvdlsxmcwp"))))
+    (build-system python-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (delete 'check)
+         (add-after 'install 'check
+           (lambda* (#:key inputs outputs tests? #:allow-other-keys)
+             (when tests?
+               (add-installed-pythonpath inputs outputs)
+               (invoke "nosetests" "-v"))
+             #t)))))
+    (propagated-inputs
+     `(("python-docutils" ,python-docutils)))
+    (native-inputs
+     `(("python-nose" ,python-nose)))
+    (home-page "https://github.com/twolfson/restructuredtext-lint")
+    (synopsis "reStructuredText linter")
+    (description "This package provides a linter for the reStructuredText
+format.")
+    (license license:unlicense)))
+
+(define-public python-doc8
+  (package
+    (name "python-doc8")
+    (version "0.8.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "doc8" version))
+       (sha256
+        (base32
+         "0hw5w8mpgsp51qg8nnq28p7y1jiksvz7a0axnn5bkgss3af9zy1d"))))
+    (build-system python-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (delete 'check)
+         (add-after 'install 'check
+           (lambda* (#:key inputs outputs tests? #:allow-other-keys)
+             (when tests?
+               (add-installed-pythonpath inputs outputs)
+               (invoke "pytest" "-v"))
+             #t)))))
+    (propagated-inputs
+     `(("python-chardet" ,python-chardet)
+       ("python-docutils" ,python-docutils)
+       ("python-restructuredtext-lint" ,python-restructuredtext-lint)
+       ("python-six" ,python-six)
+       ("python-stevedore" ,python-stevedore)))
+    (native-inputs
+     `(("python-testtools" ,python-testtools)
+       ("python-pytest" ,python-pytest)))
+    (home-page "https://launchpad.net/doc8")
+    (synopsis
+     "Style checker for Sphinx (or other) RST documentation")
+    (description
+     "Doc8 is an opinionated style checker for reStructured Text and plain
+text styles of documentation.")
+    (license license:asl2.0)))
+
 (define-public python-pygments
   (package
     (name "python-pygments")
@@ -4794,27 +4890,38 @@ toolkits.")
 three-way Venn diagrams in @code{matplotlib}.")
     (license license:expat)))
 
-(define-public python2-pysnptools
+(define-public python-pysnptools
   (package
-    (name "python2-pysnptools")
-    (version "0.3.13")
+    (name "python-pysnptools")
+    (version "0.4.11")
     (source
      (origin
        (method url-fetch)
        (uri (pypi-uri "pysnptools" version))
        (sha256
         (base32
-         "0lnis5xsl7bi0hz4f7gbicahzi5zlxkc21nk3g374xv8fb5hb3qm"))))
+         "0gxr0bjix307wvk0qh7vkafbxbzfpdmq0wlswpxyyaymy0fwcypv"))))
     (build-system python-build-system)
     (arguments
-     `(#:python ,python-2 ; only Python 2.7 is supported
-       #:tests? #f))      ; test files (e.g. examples/toydata.bim) not included
+     `(#:tests? #f ; no test data are included
+       #:phases
+       (modify-phases %standard-phases
+         (replace 'check
+           (lambda* (#:key inputs outputs tests? #:allow-other-keys)
+             (if tests?
+                 (begin
+                   (add-installed-pythonpath inputs outputs)
+                   (invoke "python3" "pysnptools/test.py"))
+                 #t))))))
     (propagated-inputs
-     `(("python2-numpy" ,python2-numpy)
-       ("python2-scipy" ,python2-scipy)
-       ("python2-pandas" ,python2-pandas)))
+     `(("python-dill" ,python-dill)
+       ("python-h5py" ,python-h5py)
+       ("python-numpy" ,python-numpy)
+       ("python-pandas" ,python-pandas)
+       ("python-psutil" ,python-psutil)
+       ("python-scipy" ,python-scipy)))
     (native-inputs
-     `(("python2-cython" ,python2-cython)))
+     `(("python-cython" ,python-cython)))
     (home-page "http://microsoftgenomics.github.io/PySnpTools/")
     (synopsis "Library for reading and manipulating genetic data")
     (description
@@ -4824,6 +4931,9 @@ those files.  It can also efficiently manipulate ranges of integers using set
 operators such as union, intersection, and difference.")
     (license license:asl2.0)))
 
+(define-public python2-pysnptools
+  (package-with-python2 python-pysnptools))
+
 (define-public python-socksipy-branch
   (package
     (name "python-socksipy-branch")
@@ -7328,6 +7438,27 @@ PEP 8.")
 (define-public python2-pyflakes
   (package-with-python2 python-pyflakes))
 
+;; Flake8 2.6 requires an older version of pyflakes.
+;; This should be removed ASAP.
+(define-public python-pyflakes-1.2
+  (package (inherit python-pyflakes)
+    (version "1.2.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "pyflakes" version))
+       (sha256
+        (base32
+         "17hkw8yd44cr8fz13phy4aih3r5j2p7ild4zlvqdh2c8dmiinjif"))))
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         ;; This one test fails.
+         (replace 'check
+           (lambda _ (invoke "pytest" "-vv" "-k" "not test_f_string"))))))
+    (native-inputs
+     `(("python-pytest" ,python-pytest)))))
+
 (define-public python-mccabe
   (package
     (name "python-mccabe")
@@ -7386,25 +7517,6 @@ complexity of Python source code.")
 (define-public python2-pep8-1.5.7
   (package-with-python2 python-pep8-1.5.7))
 
-;; Flake8 2.4.1 requires an older version of pyflakes.
-;; This should be removed ASAP.
-(define-public python-pyflakes-0.8.1
-  (package (inherit python-pyflakes)
-    (version "0.8.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (pypi-uri "pyflakes" version))
-       (sha256
-        (base32
-         "0sbpq6pqm1i9wqi41mlfrsc5rk92jv4mskvlyxmnhlbdnc80ma1z"))))
-    (arguments
-     ;; XXX Tests not compatible with Python 3.5.
-     '(#:tests? #f))))
-
-(define-public python2-pyflakes-0.8.1
-  (package-with-python2 python-pyflakes-0.8.1))
-
 (define-public python-flake8
   (package
     (name "python-flake8")
@@ -7451,31 +7563,39 @@ complexity of Python source code.")
          ("python2-typing" ,python2-typing)
           ,@(package-propagated-inputs base))))))
 
-;; python-hacking requires flake8 <2.6.0.
-(define-public python-flake8-2.5
+;; python-hacking requires flake8 <2.7.0.
+(define-public python-flake8-2.6
   (package
     (inherit python-flake8)
-    (version "2.5.5")
+    (version "2.6.2")
     (source (origin
               (method url-fetch)
               (uri (pypi-uri "flake8" version))
               (sha256
                (base32
-                "1snylqwbmrylbx3r1wpz8ggk98f6bcag4441ag8mm2l7wyn58sij"))))
+                "0y57hzal0j84dh9i1g1g6dc4aywvrnhy2fjmmbglpv5ajihxh713"))))
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'use-later-pycodestyles
+           (lambda __
+             (substitute* '("flake8.egg-info/requires.txt"
+                            "setup.py")
+               (("pycodestyle >= 2.0, < 2.1")
+                "pycodestyle >= 2.0"))
+             #t))
+         (delete 'check)
+         (add-after 'install 'check
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (add-installed-pythonpath inputs outputs)
+             (invoke "pytest" "-v")
+             #t)))))
     (propagated-inputs
      `(("python-pep8" ,python-pep8)
-       ,@(package-propagated-inputs python-flake8)))
-    (properties `((python2-variant . ,(delay python2-flake8-2.5))))))
-
-(define-public python2-flake8-2.5
-  (package
-    (inherit python2-flake8)
-    (version (package-version python-flake8-2.5))
-    (source (origin
-              (inherit (package-source python-flake8-2.5))))
-    (propagated-inputs
-     `(("python2-pep8" ,python2-pep8)
-       ,@(package-propagated-inputs python2-flake8)))))
+       ("python-pycodestyle" ,python-pycodestyle)
+       ("python-entrypoints" ,python-entrypoints)
+       ("python-pyflakes" ,python-pyflakes-1.2)
+       ("python-mccabe" ,python-mccabe)))))
 
 (define-public python-flake8-polyfill
   (package
@@ -19695,3 +19815,70 @@ workspace...")
 dependencies.  It implements the @uref{http://opensoundcontrol.org/spec-1_0,
 Open Sound Control 1.0} specification.")
     (license license:unlicense)))
+
+(define-public python-voluptuous
+  (package
+    (name "python-voluptuous")
+    (version "0.11.7")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (pypi-uri "voluptuous" version))
+        (sha256
+          (base32
+            "0mplkcpb5d8wjf8vk195fys4y6a3wbibiyf708imw33lphfk9g1a"))))
+    (build-system python-build-system)
+    (native-inputs
+     `(("python-nose" ,python-nose)))
+    (home-page "https://github.com/alecthomas/voluptuous")
+    (synopsis "Python data validation library")
+    (description
+     "Voluptuous is a Python data validation library.  It is primarily
+intended for validating data coming into Python as JSON, YAML, etc.")
+    (license license:bsd-3)))
+
+(define-public python-cmd2
+  (package
+    (name "python-cmd2")
+    (version "1.0.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "cmd2" version))
+       (sha256
+        (base32
+         "1f18plbc9yyvhn0js3d2bii9yld8zfl775gxsaw9jza5pmlg9ss2"))))
+    (build-system python-build-system)
+    (propagated-inputs
+     `(("python-attrs" ,python-attrs)
+       ("python-colorama" ,python-colorama)
+       ("python-pyperclip" ,python-pyperclip)
+       ("python-wcwidth" ,python-wcwidth)))
+    (native-inputs
+     `(("python-codecov" ,python-codecov)
+       ("python-coverage" ,python-coverage)
+       ("python-doc8" ,python-doc8)
+       ("python-flake8" ,python-flake8)
+       ("python-invoke" ,python-invoke)
+       ("python-mock" ,python-mock)
+       ("python-pytest" ,python-pytest)
+       ("python-pytest-cov" ,python-pytest-cov)
+       ("python-pytest-mock" ,python-pytest-mock)
+       ("python-setuptools-scm" ,python-setuptools-scm)
+       ("python-sphinx" ,python-sphinx)
+       ("python-sphinx-autobuild" ,python-sphinx-autobuild)
+       ("python-sphinx-rtd-theme" ,python-sphinx-rtd-theme)
+       ("python-tox" ,python-tox)
+       ("python-twine" ,python-twine)
+       ("which" ,which)))
+    (home-page "https://github.com/python-cmd2/cmd2")
+    (synopsis "Tool for building interactive command line applications")
+    (description
+     "Cmd2 is a tool for building interactive command line applications in
+Python.  Its goal is to make it quick and easy for developers to build
+feature-rich and user-friendly interactive command line applications.  It
+provides a simple API which is an extension of Python's built-in @code{cmd}
+module.  @code{cmd2} provides a wealth of features on top of @code{cmd} to
+make your life easier and eliminates much of the boilerplate code which would
+be necessary when using @code{cmd}.")
+    (license license:expat)))
diff --git a/gnu/packages/radio.scm b/gnu/packages/radio.scm
index fff68cf657..30567431bf 100644
--- a/gnu/packages/radio.scm
+++ b/gnu/packages/radio.scm
@@ -1,6 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2017, 2018, 2019 Arun Isaac <arunisaac@systemreboot.net>
-;;; Copyright © 2019 Christopher Howard <christopher@librehacker.com>
+;;; Copyright © 2019, 2020 Christopher Howard <christopher@librehacker.com>
 ;;; Copyright © 2019, 2020 Evan Straw <evan.straw99@gmail.com>
 ;;; Copyright © 2020 Guillaume Le Vaillant <glv@posteo.net>
 ;;; Copyright © 2020 Danny Milosavljevic <dannym@scratchpost.org>
@@ -26,6 +26,7 @@
   #:use-module (guix packages)
   #:use-module (guix download)
   #:use-module (guix git-download)
+  #:use-module (guix utils)
   #:use-module (gnu packages algebra)
   #:use-module (gnu packages audio)
   #:use-module (gnu packages autotools)
@@ -266,7 +267,6 @@ used by RDS Spy, and audio files containing @dfn{multiplex} signals (MPX).")
        ("ghostscript" ,ghostscript)
        ("orc" ,orc)
        ("pkg-config" ,pkg-config)
-       ("python" ,python)
        ("python-cheetah" ,python-cheetah)
        ("python-mako" ,python-mako)
        ("python-pyzmq" ,python-pyzmq)
@@ -293,6 +293,7 @@ used by RDS Spy, and audio files containing @dfn{multiplex} signals (MPX).")
        ("log4cpp" ,log4cpp)
        ("pango" ,pango)
        ("portaudio" ,portaudio)
+       ("python" ,python)
        ("python-click" ,python-click)
        ("python-click-plugins" ,python-click-plugins)
        ("python-lxml" ,python-lxml)
@@ -363,6 +364,17 @@ used by RDS Spy, and audio files containing @dfn{multiplex} signals (MPX).")
                (wrap-program (string-append out "/bin/gnuradio-companion")
                  `("GI_TYPELIB_PATH" ":" prefix ,(filter identity paths))))
              #t)))))
+    (native-search-paths
+     ;; Variables required to find third-party plugins at runtime.
+     (list (search-path-specification
+            (variable "GRC_BLOCKS_PATH")
+            (files '("share/gnuradio/grc/blocks")))
+           (search-path-specification
+            (variable "PYTHONPATH")
+            (files (list (string-append "lib/python"
+                                        (version-major+minor
+                                         (package-version python))
+                                        "/site-packages"))))))
     (synopsis "Toolkit for software-defined radios")
     (description
      "GNU Radio is a development toolkit that provides signal processing blocks
@@ -399,8 +411,8 @@ environment.")
        ("fftwf" ,fftwf)
        ("gmp" ,gmp)
        ("gnuradio" ,gnuradio)
+       ("hackrf" ,hackrf)
        ("log4cpp" ,log4cpp)
-       ;; TODO: Add more drivers.
        ("rtl-sdr" ,rtl-sdr)
        ("volk" ,volk)))
     (synopsis "GNU Radio block for interfacing with various radio hardware")
@@ -537,14 +549,14 @@ using GNU Radio and the Qt GUI toolkit.")
 (define-public fldigi
   (package
     (name "fldigi")
-    (version "4.1.11")
+    (version "4.1.12")
     (source
      (origin
        (method url-fetch)
        (uri (string-append "http://www.w1hkj.com/files/fldigi/fldigi-"
                            version ".tar.gz"))
        (sha256
-        (base32 "1y62xn1pim38ibaf2mbl8b7aq20jdaac6lgggb9r402w9bj5b196"))))
+        (base32 "1yjjv2ss84xfiaidypp476mhrbpnw4zf7mb5cdqwhdh604x0svr1"))))
     (build-system gnu-build-system)
     (native-inputs
      `(("pkg-config" ,pkg-config)))
@@ -654,6 +666,73 @@ for correctness.")
     (home-page "http://www.w1hkj.com/")
     (license license:gpl3+)))
 
+(define-public hackrf
+  ;; Using a git commit because there have been many many commits
+  ;; since the relase two years ago, but no sign of a promised
+  ;; release for many months now.
+  (let ((commit "43e6f99fe8543094d18ff3a6550ed2066c398862")
+        (revision "0"))
+    (package
+     (name "hackrf")
+     (version (git-version "2018.01.1" revision commit))
+     (source
+      (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/mossmann/hackrf.git")
+             (commit commit)))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "0avnv693xi0zsnrvkbfn0ln1r3s1iyj0bz7sc3gxay909av0pvbc"))))
+     (build-system cmake-build-system)
+     (arguments
+      '(#:configure-flags
+        (list "-DUDEV_RULES_GROUP=dialout"
+              (string-append "-DUDEV_RULES_PATH="
+                             (assoc-ref %outputs "out")
+                             "/lib/udev/rules.d"))
+        #:phases
+        (modify-phases %standard-phases
+          (add-before 'configure 'enter-source-directory
+            (lambda _
+              (chdir "host")
+              #t))
+          (add-after 'install 'delete-static-library
+            (lambda* (#:key outputs #:allow-other-keys)
+              (delete-file (string-append (assoc-ref outputs "out")
+                                          "/lib/libhackrf.a"))
+              #t))
+          (add-before 'install-license-files 'leave-source-directory
+            (lambda _
+              (chdir "..")
+              #t)))
+        #:tests? #f)) ; no test suite
+     (native-inputs
+      `(("pkg-config" ,pkg-config)))
+     (inputs
+      `(("fftw" ,fftw)
+        ("fftwf" ,fftwf)
+        ("libusb" ,libusb)))
+     (home-page "https://greatscottgadgets.com/hackrf/")
+     (synopsis "User-space library and utilities for HackRF SDR")
+     (description
+      "Command line utilities and a C library for controlling the HackRF
+Software Defined Radio (SDR) over USB.  Installing this package installs
+the userspace hackrf utilities and C library.  To install the hackrf
+udev rules, you must add this package as a system service via
+modify-services.  E.g.:
+
+@lisp
+(services
+ (modify-services
+  %desktop-services
+  (udev-service-type config =>
+   (udev-configuration (inherit config)
+    (rules (cons hackrf
+            (udev-configuration-rules config)))))))
+@end lisp")
+     (license license:gpl2))))
+
 (define-public hamlib
   (package
     (name "hamlib")
@@ -762,3 +841,52 @@ modes were all designed for making reliable, confirmed QSOs under extreme
 weak-signal conditions.")
     (home-page "https://www.physics.princeton.edu/pulsar/k1jt/wsjtx.html")
     (license license:gpl3)))
+
+(define-public xnec2c
+  (package
+    (name "xnec2c")
+    (version "4.1.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "http://www.5b4az.org/pkg/nec2/xnec2c/xnec2c-"
+                           version ".tar.bz2"))
+       (sha256
+        (base32 "1myvlkfybb2ha8l0h96ca3iz206zzy9z5iizm0sbab2zzp78n1r9"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("pkg-config" ,pkg-config)))
+    (inputs
+     `(("gtk+" ,gtk+)))
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'fix-makefile
+           (lambda* (#:key outputs #:allow-other-keys)
+             (substitute* '("Makefile.am" "Makefile.in")
+               ;; The DESTDIR variable does not get replaced the prefix
+               ;; in the final Makefile, so let's do here.
+               (("\\$\\(DESTDIR\\)/usr")
+                (assoc-ref outputs "out")))
+             #t))
+         (add-after 'fix-makefile 'fix-paths
+           (lambda* (#:key outputs #:allow-other-keys)
+             ;; Increase the max length of the path to the glade file,
+             ;; so that the '/gnu/store/...' path can fit in.
+             (substitute* '("src/shared.c" "src/shared.h")
+               (("char xnec2c_glade\\[64\\];")
+                "char xnec2c_glade[256];"))
+             ;; Fix hard coded references to '/usr/...'.
+             (substitute* '("src/geom_edit.c" "src/main.c")
+               (("\"/usr")
+                (string-append "\"" (assoc-ref outputs "out"))))
+             #t)))))
+    (synopsis "Antenna modeling software")
+    (description
+     "Xnec2c is a GTK3-based graphical version of nec2c, a translation to the
+C language of NEC2, the FORTRAN Numerical Electromagnetics Code commonly used
+for antenna simulation and analysis.  It can be used to define the geometry of
+an antenna, and then plot the radiation pattern or frequency-related data like
+gain and standing wave ratio.")
+    (home-page "http://www.5b4az.org/")
+    (license license:gpl3+)))
diff --git a/gnu/packages/rust-apps.scm b/gnu/packages/rust-apps.scm
index af51c0fcfc..5d0521a216 100644
--- a/gnu/packages/rust-apps.scm
+++ b/gnu/packages/rust-apps.scm
@@ -3,6 +3,7 @@
 ;;; Copyright © 2019, 2020 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2020 Jakub Kądziołka <kuba@kadziolka.net>
 ;;; Copyright © 2020 Michael Rohleder <mike@rohleder.de>
+;;; Copyright © 2020 Leo Famulari <leo@famulari.name>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -290,7 +291,7 @@ gitignore rules.")
         ("serde" ,rust-serde-1.0)
         ("serde-json" ,rust-serde-json-1.0)
         ("syn" ,rust-syn-1.0)
-        ("tempfile" ,rust-tempfile-3.0)
+        ("tempfile" ,rust-tempfile-3.1)
         ("toml" ,rust-toml-0.5))))
     (home-page "https://github.com/eqrion/cbindgen/")
     (synopsis "Tool for generating C bindings to Rust code")
@@ -298,6 +299,21 @@ gitignore rules.")
      "This package provides a tool for generating C/C++ bindings to Rust code.")
     (license license:mpl2.0)))
 
+(define-public rust-cbindgen-0.12
+  (package
+    (inherit rust-cbindgen)
+    (name "rust-cbindgen")
+    (version "0.12.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "cbindgen" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "13jzbmjz1bmmfr0i80hw6ar484mgabx3hbpb2ynhk0ddqi0yr58m"))))))
+
 (define-public tokei
   (package
     (name "tokei")
@@ -358,3 +374,36 @@ gitignore rules.")
 show number of files, total lines within those files and code, comments, and
 blanks grouped by language.")
     (license (list license:expat license:asl2.0))))
+
+(define-public rust-cargo-c
+  (package
+    (name "rust-cargo-c")
+    (version "0.5.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "cargo-c" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1is72jm0r73pqx2g3h1n6lvrcirwd91mmajsmb3jjg4jnayfkp0w"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-cbindgen" ,rust-cbindgen-0.12)
+        ("rust-pretty-env-logger" ,rust-pretty-env-logger-0.3)
+        ("rust-structopt" ,rust-structopt-0.3)
+        ("rust-log" ,rust-log-0.4)
+        ("rust-toml" ,rust-toml-0.5)
+        ("rust-cargo-metadata" ,rust-cargo-metadata-0.9)
+        ("rust-serde" ,rust-serde-1.0)
+        ("rust-serde-derive" ,rust-serde-derive-1.0)
+        ("rust-regex" ,rust-regex-1.3))))
+    (home-page "https://github.com/lu-zero/cargo-c")
+    (synopsis "Build and install C-compatible libraries")
+    (description
+     "This package produces and installs a correct pkg-config file, a static
+library and a dynamic library, and a C header to be used by any C (and
+C-compatible) software.")
+    (license license:expat)))
diff --git a/gnu/packages/sphinx.scm b/gnu/packages/sphinx.scm
index ff5d8e5de7..f27f9d0176 100644
--- a/gnu/packages/sphinx.scm
+++ b/gnu/packages/sphinx.scm
@@ -1,6 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2014 David Thompson <davet@gnu.org>
-;;; Copyright © 2015, 2017, 2019 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2015, 2017, 2019, 2020 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2015, 2016, 2017 Leo Famulari <leo@famulari.name>
 ;;; Copyright © 2016 Hartmut Goebel <h.goebel@crazy-compilers.com>
 ;;; Copyright © 2016, 2017, 2018, 2019 Marius Bakke <mbakke@fastmail.com>
@@ -597,3 +597,49 @@ to be able to read and render the Doxygen xml output.")
      "A utility tool that provides several features that make it easy to
 translate and to apply translation to Sphinx generated document.")
     (license license:bsd-2)))
+
+(define-public python-sphinx-autobuild
+  (package
+    (name "python-sphinx-autobuild")
+    (version "0.7.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "sphinx-autobuild" version))
+       (sha256
+        (base32
+         "0kn753dyh3b1s0h77lbk704niyqc7bamvq6v3s1f6rj6i20qyf36"))))
+    (build-system python-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         ;; See https://github.com/GaretJax/sphinx-autobuild/pull/72
+         (add-after 'unpack 'use-later-port-for
+           (lambda _
+             (substitute* "requirements.txt"
+               (("port_for==.*") "port_for\n"))
+             #t))
+         (delete 'check)
+         (add-after 'install 'check
+           (lambda* (#:key inputs outputs tests? #:allow-other-keys)
+             (when tests?
+               (add-installed-pythonpath inputs outputs)
+               (invoke "pytest" "-v"))
+             #t)))))
+    (propagated-inputs
+     `(("python-argh" ,python-argh)
+       ("python-livereload" ,python-livereload)
+       ("python-pathtools" ,python-pathtools)
+       ("python-port-for" ,python-port-for)
+       ("python-pyyaml" ,python-pyyaml)
+       ("python-tornado" ,python-tornado)
+       ("python-watchdog" ,python-watchdog)))
+    (native-inputs
+     `(("python-pytest" ,python-pytest)))
+    (home-page "https://github.com/GaretJax/sphinx-autobuild")
+    (synopsis "Rebuild Sphinx documentation when a change is detected")
+    (description
+     "This package lets you watch a Sphinx directory and rebuild the
+documentation when a change is detected.  It also includes a livereload
+enabled web server.")
+    (license license:expat)))
diff --git a/gnu/packages/statistics.scm b/gnu/packages/statistics.scm
index 38d75941d6..fe8c731a1a 100644
--- a/gnu/packages/statistics.scm
+++ b/gnu/packages/statistics.scm
@@ -183,7 +183,7 @@ This package also provides @command{xls2csv} to export Excel files to CSV.")
 (define r-with-tests
   (package
     (name "r-with-tests")
-    (version "3.6.3")
+    (version "4.0.0")
     (source (origin
               (method url-fetch)
               (uri (string-append "mirror://cran/src/base/R-"
@@ -191,7 +191,7 @@ This package also provides @command{xls2csv} to export Excel files to CSV.")
                                   version ".tar.gz"))
               (sha256
                (base32
-                "13xaxwfbzj0bd6rn2n27z0n04lb93mcyq991w4vdbbg8v282jc49"))))
+                "0h1995smlyiyhx7gpg9paxsfqrcn6g9bbp5h9r47i6an3clv1gh6"))))
     (build-system gnu-build-system)
     (arguments
      `(#:disallowed-references (,tzdata-for-tests)
@@ -269,6 +269,11 @@ as.POSIXct(if (\"\" != Sys.getenv(\"SOURCE_DATE_EPOCH\")) {\
                  (("my \\$date = strftime \"%B %Y\", localtime" line)
                   (string-append line " 1"))))
              #t))
+         (add-before 'build 'set-locales
+           (lambda _
+             (setlocale LC_ALL "C")
+             (setenv "LC_ALL" "C")
+             #t))
          (add-before 'configure 'set-default-pager
           ;; Set default pager to "cat", because otherwise it is "false",
           ;; making "help()" print nothing at all.
@@ -322,7 +327,9 @@ as.POSIXct(if (\"\" != Sys.getenv(\"SOURCE_DATE_EPOCH\")) {\
        ("perl" ,perl)
        ("pkg-config" ,pkg-config)
        ("texinfo" ,texinfo) ; for building HTML manuals
-       ("texlive" ,(texlive-union (list texlive-fonts-ec
+       ("texlive" ,(texlive-union (list texlive-ae
+                                        texlive-inconsolata
+                                        texlive-fonts-ec
                                         texlive-amsfonts
                                         texlive-latex-base
                                         texlive-latex-fancyvrb
@@ -331,7 +338,8 @@ as.POSIXct(if (\"\" != Sys.getenv(\"SOURCE_DATE_EPOCH\")) {\
                                         texlive-latex-oberdiek
                                         texlive-latex-tools
                                         texlive-latex-upquote
-                                        texlive-latex-url)))
+                                        texlive-latex-url
+                                        texlive-latex-xkeyval)))
        ("tzdata" ,tzdata-for-tests)
        ("xz" ,xz)))
     (inputs
@@ -347,7 +355,7 @@ as.POSIXct(if (\"\" != Sys.getenv(\"SOURCE_DATE_EPOCH\")) {\
        ("libpng" ,libpng)
        ("libtiff" ,libtiff)
        ("libxt" ,libxt)
-       ("pcre" ,pcre)
+       ("pcre2" ,pcre2)
        ("readline" ,readline)
        ;; This avoids a reference to the ungraftable static bash.  R uses the
        ;; detected shell for the "system" procedure.
@@ -399,14 +407,14 @@ available, greatly increasing its breadth and scope.")
 (define-public r-boot
   (package
     (name "r-boot")
-    (version "1.3-24")
+    (version "1.3-25")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "boot" version))
        (sha256
         (base32
-         "0yv0l55kjmlfdx1xhgyjdi0bskxhfal74wr5jxaib1qj99nmkm49"))))
+         "1gpvi1h3nqhnnsfy96rlhakdpj84iqqsxr29rr3261sknky3aj26"))))
     (build-system r-build-system)
     (home-page "https://cran.r-project.org/web/packages/boot")
     (synopsis "Bootstrap functions for R")
@@ -420,14 +428,14 @@ D.V. Hinkley (1997, CUP), originally written by Angelo Canty for S.")
 (define-public r-mass
   (package
     (name "r-mass")
-    (version "7.3-51.5")
+    (version "7.3-51.6")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "MASS" version))
        (sha256
         (base32
-         "1k0m7pa4gb5apzrrkb5kx5d7bmkm2pl5g15vwb6j067hrqahck26"))))
+         "1viyxy22qp8abzzzlbck55b0i81rrdygim1dq2pm52s2v13mq0z2"))))
     (properties `((upstream-name . "MASS")))
     (build-system r-build-system)
     (home-page "http://www.stats.ox.ac.uk/pub/MASS4/")
@@ -441,14 +449,14 @@ Applied Statistics with S\" (4th edition, 2002) by Venables and Ripley.")
 (define-public r-class
   (package
     (name "r-class")
-    (version "7.3-16")
+    (version "7.3-17")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "class" version))
        (sha256
         (base32
-         "1jpdgj0lsi60q0mqbhfw809w8d66whix27y6wpdzll6775g3j3ll"))))
+         "04qk8qia0qr8893fizmkbd5hsqn6m8383c0cyn9xnmkmvyv8a7xy"))))
     (build-system r-build-system)
     (propagated-inputs
      `(("r-mass" ,r-mass)))
@@ -504,14 +512,14 @@ code for possible problems.")
 (define-public r-foreign
   (package
     (name "r-foreign")
-    (version "0.8-76")
+    (version "0.8-79")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "foreign" version))
        (sha256
         (base32
-         "1z6x2x1z12wnv0z4p74d91r5wfaq30sdz4ynwx0lncz1q45mhbh5"))))
+         "1d5rk4k3khjrir1b4ciridd6vdpcgzi35r7p7ra4ky7vbaabcdmg"))))
     (build-system r-build-system)
     (home-page "https://cran.r-project.org/web/packages/foreign")
     (synopsis "Read data stored by other statistics software")
@@ -524,14 +532,14 @@ for reading and writing some dBase files.")
 (define-public r-kernsmooth
   (package
     (name "r-kernsmooth")
-    (version "2.23-16")
+    (version "2.23-17")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "KernSmooth" version))
        (sha256
         (base32
-         "1acrkbdn3a74y4dndkcdl1njnpfqz7gk3bsz03g8lfj8l7z53hmq"))))
+         "11g6b0q67vasxag6v9m4px33qqxpmnx47c73yv1dninv2pz76g9b"))))
     (properties `((upstream-name . "KernSmooth")))
     (build-system r-build-system)
     (native-inputs
@@ -635,14 +643,14 @@ distributions beyond the exponential family.")
 (define-public r-nnet
   (package
     (name "r-nnet")
-    (version "7.3-13")
+    (version "7.3-14")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "nnet" version))
        (sha256
         (base32
-         "1z0rj5cm4ycw1y0gd5wwwg8c2298v90iybgqdqh17967jbi2125f"))))
+         "1bzl62p5awva5kxcncs6lrdrkqp9ljd993zia731ckfpcjbrw6sx"))))
     (build-system r-build-system)
     (home-page "http://www.stats.ox.ac.uk/pub/MASS4/")
     (synopsis "Feed-forward neural networks and multinomial log-linear models")
@@ -673,14 +681,14 @@ classification, regression and survival trees.")
 (define-public r-spatial
   (package
     (name "r-spatial")
-    (version "7.3-11")
+    (version "7.3-12")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "spatial" version))
        (sha256
         (base32
-         "04aw8j533sn63ybyrf4hyhrqm4058vfcb7yhjy07kq92mk94hi32"))))
+         "0qrdhzd5r78iwi46nk8jr56dzz5l5imkflxjw64d0ys0wyg06fbn"))))
     (build-system r-build-system)
     (home-page "http://www.stats.ox.ac.uk/pub/MASS4/")
     (synopsis "Functions for kriging and point pattern analysis")
@@ -1624,14 +1632,14 @@ like tidy evaluation.")
 (define-public r-tibble
   (package
     (name "r-tibble")
-    (version "3.0.0")
+    (version "3.0.1")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "tibble" version))
        (sha256
         (base32
-         "0s84h8ls5qwixbs1n5safr3xqmg3p0llzdrd9sp4vs2572mwzqzi"))))
+         "17m7xvn423snq9dmr0bhx42j5rbc53w1viizxx4bvq37nz7m4i8m"))))
     (build-system r-build-system)
     (propagated-inputs
      `(("r-cli" ,r-cli)
@@ -1694,25 +1702,28 @@ database.")
 (define-public r-dbplyr
   (package
     (name "r-dbplyr")
-    (version "1.4.2")
+    (version "1.4.3")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "dbplyr" version))
        (sha256
         (base32
-         "1q2dflr88s5a1amzfld3087q422vf70052qn84zyd8895kdg10xp"))))
+         "1si8sahr1kwq1xgjzi9klkahad07pyrsngy75y1f74f64907pb39"))))
     (build-system r-build-system)
     (propagated-inputs
      `(("r-assertthat" ,r-assertthat)
        ("r-dbi" ,r-dbi)
        ("r-dplyr" ,r-dplyr)
        ("r-glue" ,r-glue)
+       ("r-lifecycle" ,r-lifecycle)
        ("r-purrr" ,r-purrr)
        ("r-r6" ,r-r6)
        ("r-rlang" ,r-rlang)
        ("r-tibble" ,r-tibble)
        ("r-tidyselect" ,r-tidyselect)))
+    (native-inputs
+     `(("r-knitr" ,r-knitr)))
     (home-page "https://github.com/tidyverse/dbplyr")
     (synopsis "Dplyr back end for databases")
     (description
@@ -1989,14 +2000,14 @@ and environmental data in the framework of Euclidean exploratory methods.")
 (define-public r-xml2
   (package
     (name "r-xml2")
-    (version "1.3.1")
+    (version "1.3.2")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "xml2" version))
        (sha256
         (base32
-         "0r7rxp922785dcryghbb3wxqgdav7mafwnmxjqfx8zaj3v1q2j3z"))))
+         "1kx400v62xkd5xal7rzz7jcarz94ac8g1sh4i2dqr78qwgkzj8nz"))))
     (build-system r-build-system)
     (inputs
      `(("libxml2" ,libxml2)
@@ -2446,14 +2457,16 @@ tools to simplify the devolpment of R packages.")
 (define-public r-withr
   (package
     (name "r-withr")
-    (version "2.1.2")
+    (version "2.2.0")
     (source (origin
               (method url-fetch)
               (uri (cran-uri "withr" version))
               (sha256
                (base32
-                "11j6zykklxnvp4xqsr6a2xib665i38m3khdspp887nwagmvnydj1"))))
+                "10mmfffjbnb2zq5x0kqhhb4z6va4micc6pjzvlfji34gyhffa8ac"))))
     (build-system r-build-system)
+    (native-inputs
+     `(("r-knitr" ,r-knitr)))
     (home-page "https://github.com/jimhester/withr")
     (synopsis "Run code with temporarily modified global state")
     (description
@@ -2514,13 +2527,13 @@ disk (or a connection).")
 (define-public r-plotrix
   (package
     (name "r-plotrix")
-    (version "3.7-7")
+    (version "3.7-8")
     (source (origin
               (method url-fetch)
               (uri (cran-uri "plotrix" version))
               (sha256
                (base32
-                "1x92mmyfry127zzr6cmcj6kjsc4zhxrrdlr0jcxn3bb0hpdfps54"))))
+                "104llmr6dvlcnfpmd8zbdlv63k79djc4qqgadjavj4v4cmz1zkcc"))))
     (build-system r-build-system)
     (home-page "https://cran.r-project.org/web/packages/plotrix")
     (synopsis "Various plotting functions")
@@ -2575,13 +2588,13 @@ well as additional utilities such as panel and axis annotation functions.")
 (define-public r-rcpparmadillo
   (package
     (name "r-rcpparmadillo")
-    (version "0.9.860.2.0")
+    (version "0.9.870.2.0")
     (source (origin
               (method url-fetch)
               (uri (cran-uri "RcppArmadillo" version))
               (sha256
                (base32
-                "1rg9ak0zbv8d9cyj10jq52nrcbk1pvfz28kbkhpx79mpjhrl7pb5"))))
+                "1r7iajxvbyvslsy16rqacc95azmjciw9lvcq31xl97fl09kmsq5v"))))
     (properties `((upstream-name . "RcppArmadillo")))
     (build-system r-build-system)
     (propagated-inputs
@@ -3743,18 +3756,20 @@ It uses and relies on grid graphics and formal (S4) classes and methods.")
 (define-public r-purrr
   (package
     (name "r-purrr")
-    (version "0.3.3")
+    (version "0.3.4")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "purrr" version))
        (sha256
         (base32
-         "17lyys7dxjrwsfkq7a7hw65iy3qn3pp1sn70srdy64jf8adahc8g"))))
+         "1cj091rsjdj2xz16qhynyw72gh5cyhznifcfbrbygndfr4xwksr3"))))
     (build-system r-build-system)
     (propagated-inputs
      `(("r-magrittr" ,r-magrittr)
        ("r-rlang" ,r-rlang)))
+    (native-inputs
+     `(("r-knitr" ,r-knitr)))
     (home-page "https://github.com/hadley/purrr")
     (synopsis "Functional programming tools")
     (description
@@ -4942,16 +4957,16 @@ groupings.")
 (define-public r-vgam
   (package
     (name "r-vgam")
-    (version "1.1-2")
+    (version "1.1-3")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "VGAM" version))
        (sha256
-        (base32 "0kyan3a4ys2xbg9kf167cyf1gk7g963id62cjm2ij4i7y4wi61zq"))))
+        (base32 "1hwlrdx3nhdp83pvy1h23i16vbbhi4kizdhr58c8nvg7kqdzb7qc"))))
     (properties `((upstream-name . "VGAM")))
     (build-system r-build-system)
-    (inputs
+    (native-inputs
      `(("gfortran" ,gfortran)))
     (home-page "https://www.stat.auckland.ac.nz/~yee/VGAM")
     (synopsis "Vector generalized linear and additive models")
diff --git a/gnu/packages/tex.scm b/gnu/packages/tex.scm
index cc23656c5b..683f9d7283 100644
--- a/gnu/packages/tex.scm
+++ b/gnu/packages/tex.scm
@@ -4757,6 +4757,32 @@ fonts.  Note that direct substitutes for the bitmapped EC fonts are available,
 via the CM-super, Latin Modern and (in a restricted way) CM-LGC font sets.")
     (license license:lppl1.3+)))
 
+(define-public texlive-inconsolata
+  (package
+    (inherit (simple-texlive-package
+              "texlive-inconsolata"
+              (list "/doc/fonts/inconsolata/"
+                    "/fonts/enc/dvips/inconsolata/"
+                    "/fonts/map/dvips/inconsolata/"
+                    "/fonts/opentype/public/inconsolata/"
+                    "/fonts/tfm/public/inconsolata/"
+                    "/fonts/type1/public/inconsolata/"
+                    "/tex/latex/inconsolata/")
+              (base32
+               "1a77w26m4c4j0202s1qkikz7ha6cxlv8zxhzi9s3l0x1l2pl7cr2")
+              #:trivial? #t))
+    (home-page "https://www.ctan.org/pkg/inconsolata")
+    (synopsis "Monospaced font with support files for use with TeX")
+    (description
+     "Inconsolata is a monospaced font designed by Raph Levien.  This package
+contains the font (in both Adobe Type 1 and OpenType formats) in regular and
+bold weights, with additional glyphs and options to control slashed zero,
+upright quotes and a shapelier lower-case L, plus metric files for use with
+TeX, and LaTeX font definition and other relevant files.")
+    (license (list license:lppl1.3+
+                   license:silofl1.1
+                   license:asl2.0))))
+
 (define-public texlive-times
   (package
     (inherit (simple-texlive-package
diff --git a/gnu/packages/text-editors.scm b/gnu/packages/text-editors.scm
index 36571e7846..f2f675d148 100644
--- a/gnu/packages/text-editors.scm
+++ b/gnu/packages/text-editors.scm
@@ -123,7 +123,7 @@ based command language.")
 (define-public kakoune
   (package
     (name "kakoune")
-    (version "2019.12.10")
+    (version "2020.01.16")
     (source
      (origin
        (method url-fetch)
@@ -131,7 +131,7 @@ based command language.")
                            "releases/download/v" version "/"
                            "kakoune-" version ".tar.bz2"))
        (sha256
-        (base32 "1y1gzax2dl7flh676k0rl1vacv10j7p5krkmb67b0afbrql8vbb6"))))
+        (base32 "1bhd990gywdwdhxc5dn83wwj418c5cw1ndqycf7k0a02kxlg3550"))))
     (build-system gnu-build-system)
     (arguments
      `(#:make-flags
diff --git a/gnu/packages/valgrind.scm b/gnu/packages/valgrind.scm
index da912dc465..dd080bb327 100644
--- a/gnu/packages/valgrind.scm
+++ b/gnu/packages/valgrind.scm
@@ -2,7 +2,7 @@
 ;;; Copyright © 2013, 2014 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2015 Andreas Enge <andreas@enge.fr>
 ;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
-;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
+;;; Copyright © 2016, 2020 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;;
 ;;; This file is part of GNU Guix.
@@ -35,7 +35,7 @@
     (version "3.15.0")
     (source (origin
               (method url-fetch)
-              (uri (list (string-append "http://www.valgrind.org/downloads"
+              (uri (list (string-append "https://sourceware.org/pub/valgrind"
                                         "/valgrind-" version ".tar.bz2")
                          (string-append "ftp://sourceware.org/pub/valgrind"
                                         "/valgrind-" version ".tar.bz2")))
@@ -71,7 +71,7 @@
      `(("gdb" ,gdb)))
     (native-inputs
      `(("perl" ,perl)))
-    (home-page "http://www.valgrind.org/")
+    (home-page "https://www.valgrind.org/")
     (synopsis "Debugging and profiling tool suite")
     (description
      "Valgrind is an instrumentation framework for building dynamic analysis
diff --git a/gnu/packages/video.scm b/gnu/packages/video.scm
index c613ffbf0c..578468978c 100644
--- a/gnu/packages/video.scm
+++ b/gnu/packages/video.scm
@@ -5,7 +5,7 @@
 ;;; Copyright © 2015 Taylan Ulrich Bayırlı/Kammer <taylanbayirli@gmail.com>
 ;;; Copyright © 2015, 2016, 2017, 2018, 2019, 2020 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2015 Andy Patterson <ajpatter@uwaterloo.ca>
-;;; Copyright © 2015, 2018, 2019 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2015, 2018, 2019, 2020 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2015, 2016, 2017, 2018, 2019 Alex Vong <alexvong1995@gmail.com>
 ;;; Copyright © 2016, 2017 Alex Griffin <a@ajgrf.com>
 ;;; Copyright © 2016 Kei Kebreau <kkebreau@posteo.net>
@@ -40,6 +40,7 @@
 ;;; Copyright © 2020 Brice Waegeneire <brice@waegenei.re>
 ;;; Copyright © 2020 Vincent Legoll <vincent.legoll@gmail.com>
 ;;; Copyright © 2020 Guillaume Le Vaillant <glv@posteo.net>
+;;; Copyright © 2020 Alex McGrath <amk@amk.ie>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -66,6 +67,7 @@
   #:use-module (guix download)
   #:use-module (guix git-download)
   #:use-module (guix svn-download)
+  #:use-module (guix build-system cargo)
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system copy)
   #:use-module (guix build-system gnu)
@@ -90,6 +92,7 @@
   #:use-module (gnu packages cmake)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages cpp)
+  #:use-module (gnu packages crates-io)
   #:use-module (gnu packages curl)
   #:use-module (gnu packages dejagnu)
   #:use-module (gnu packages dns)
@@ -140,6 +143,7 @@
   #:use-module (gnu packages qt)
   #:use-module (gnu packages rdesktop)
   #:use-module (gnu packages ruby)
+  #:use-module (gnu packages rust-apps)
   #:use-module (gnu packages samba)
   #:use-module (gnu packages sdl)
   #:use-module (gnu packages serialization)
@@ -3950,3 +3954,152 @@ result in several formats:
 @end itemize\n")
     (home-page "https://www.gen2vdr.de/wirbel/w_scan/index2.html")
     (license license:gpl2+)))
+
+(define-public rav1e
+  (package
+    (name "rav1e")
+    (version "0.3.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "rav1e" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1bsmj8kqzs5pf8dl98rsl6a67cljj1gkj3b5hmd8hn8wdy4ya173"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-simd-helpers" ,rust-simd-helpers-0.1)
+        ("rust-ivf" ,rust-ivf-0.1)
+        ("rust-cfg-if" ,rust-cfg-if-0.1)
+        ("rust-paste" ,rust-paste-0.1)
+        ("rust-signal-hook" ,rust-signal-hook-0.1)
+        ("rust-aom-sys" ,rust-aom-sys-0.1)
+        ("rust-nasm-rs" ,rust-nasm-rs-0.1)
+        ("rust-arbitrary" ,rust-arbitrary-0.2)
+        ("rust-better-panic" ,rust-better-panic-0.2)
+        ("rust-noop-proc-macro"
+         ,rust-noop-proc-macro-0.2)
+        ("rust-num-traits" ,rust-num-traits-0.2)
+        ("rust-rand-chacha" ,rust-rand-chacha-0.2)
+        ("rust-err-derive" ,rust-err-derive-0.2)
+        ("rust-interpolate-name"
+         ,rust-interpolate-name-0.2)
+        ("rust-rustc-version" ,rust-rustc-version-0.2)
+        ("rust-scan-fmt" ,rust-scan-fmt-0.2)
+        ("rust-libc" ,rust-libc-0.2)
+        ("rust-image" ,rust-image-0.22)
+        ("rust-arg-enum-proc-macro"
+         ,rust-arg-enum-proc-macro-0.3)
+        ("rust-num-derive" ,rust-num-derive-0.3)
+        ("rust-dav1d-sys" ,rust-dav1d-sys-0.3)
+        ("rust-backtrace" ,rust-backtrace-0.3)
+        ("rust-log" ,rust-log-0.4)
+        ("rust-y4m" ,rust-y4m-0.5)
+        ("rust-arrayvec" ,rust-arrayvec-0.5)
+        ("rust-toml" ,rust-toml-0.5)
+        ("rust-fern" ,rust-fern-0.5)
+        ("rust-rust-hawktracer"
+         ,rust-rust-hawktracer-0.7)
+        ("rust-rand" ,rust-rand-0.7)
+        ("rust-itertools" ,rust-itertools-0.8)
+        ("rust-bitstream-io" ,rust-bitstream-io-0.8)
+        ("rust-console" ,rust-console-0.9)
+        ("rust-serde" ,rust-serde-1.0)
+        ("rust-cc" ,rust-cc-1.0)
+        ("rust-rayon" ,rust-rayon-1.3)
+        ("rust-byteorder" ,rust-byteorder-1.3)
+        ("rust-clap" ,rust-clap-2)
+        ("rust-vergen" ,rust-vergen-3.1))
+       #:cargo-development-inputs
+       (("rust-rand-chacha" ,rust-rand-chacha-0.2)
+        ("rust-interpolate-name"
+         ,rust-interpolate-name-0.2)
+        ("rust-criterion" ,rust-criterion-0.3)
+        ("rust-pretty-assertions"
+         ,rust-pretty-assertions-0.6)
+        ("rust-rand" ,rust-rand-0.7)
+        ("rust-semver" ,rust-semver-0.9))
+       #:phases
+       (modify-phases %standard-phases
+         (replace 'build
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let ((out (assoc-ref outputs "out")))
+               (invoke "cargo" "cinstall" "--release"
+                       (string-append "--prefix=" out))))))))
+    (native-inputs
+     `(("cargo-c" ,rust-cargo-c)))
+    (inputs
+     `(("nasm" ,nasm)))
+    (home-page "https://github.com/xiph/rav1e/")
+    (synopsis "The fastest and safest AV1 encoder")
+    (description
+     "The fastest and safest AV1 encoder.")
+    (license license:bsd-2)))
+
+(define-public peek
+  (package
+    (name "peek")
+    (version "1.5.1")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/phw/peek.git")
+             (commit version)))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "1xwlfizga6hvjqq127py8vabaphsny928ar7mwqj9cyqfl6fx41x"))))
+    (build-system meson-build-system)
+    (arguments '(#:glib-or-gtk? #t))
+    (inputs
+     `(("gtk+" ,gtk+)))
+    (native-inputs
+     `(("desktop-file-utils" ,desktop-file-utils) ; for update-desktop-database
+       ("gettext" ,gettext-minimal)
+       ("glib:bin" ,glib "bin")         ; for glib-compile-resources
+       ("gtk+-bin" ,gtk+ "bin")         ; For gtk-update-icon-cache
+       ("pkg-config" ,pkg-config)
+       ("vala" ,vala)))
+    (home-page "https://github.com/phw/peek")
+    (synopsis "Simple animated GIF screen recorder")
+    (description
+     "Peek makes it easy to create short screencasts of a screen area.  It was
+built for the specific use case of recording screen areas, e.g. for easily
+showing UI features of your own apps or for showing a bug in bug reports.
+With Peek, you simply place the Peek window over the area you want to record
+and press \"Record\".  Peek is optimized for generating animated GIFs, but you
+can also directly record to WebM or MP4 if you prefer.")
+    (license license:gpl3+)))
+
+(define-public wf-recorder
+  (package
+    (name "wf-recorder")
+    (version "0.2.1")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/ammen99/wf-recorder.git")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1cw6kpcbl33wh95pvy32xrsrm6kkk1awccr3phyh885xjs3b3iim"))))
+    (build-system meson-build-system)
+    (native-inputs
+     `(("pkg-config" ,pkg-config)))
+    (inputs
+     `(("ffmpeg" ,ffmpeg)
+       ("pulseaudio" ,pulseaudio)
+       ("wayland" ,wayland)
+       ("wayland-protocols" ,wayland-protocols)
+       ("libx264" ,libx264)))
+    (home-page "https://github.com/ammen99/wf-recorder")
+    (synopsis "Screen recorder for wlroots-based compositors")
+    (description
+     "@code{wf-recorder} is a utility program for screen recording of
+wlroots-based compositors.  More specifically, those that support
+@code{wlr-screencopy-v1} and @code{xdg-output}.")
+    (license license:expat)))
diff --git a/gnu/packages/vpn.scm b/gnu/packages/vpn.scm
index 21c76a995d..3e0c2d33ac 100644
--- a/gnu/packages/vpn.scm
+++ b/gnu/packages/vpn.scm
@@ -11,6 +11,7 @@
 ;;; Copyright © 2019, 2020 Leo Famulari <leo@famulari.name>
 ;;; Copyright © 2019 Rutger Helling <rhelling@mykolab.com>
 ;;; Copyright © 2019 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2020 Brice Waegeneire <brice@waegenei.re>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -34,6 +35,7 @@
   #:use-module (guix git-download)
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system gnu)
+  #:use-module (guix build-system linux-module)
   #:use-module (guix build-system python)
   #:use-module (gnu packages)
   #:use-module (gnu packages admin)
@@ -465,19 +467,24 @@ The peer-to-peer VPN implements a Layer 2 (Ethernet) network between the peers
               (sha256
                (base32
                 "0ymprz3h4b92wlcqm5k5vmcgap8pjv202bgkdx0axmp12n1lmyvx"))))
-    (build-system gnu-build-system)
+    (build-system linux-module-build-system)
+    (outputs '("out"
+               "kernel-patch"))
     (arguments
      `(#:tests? #f ; No test suite
-       #:modules ((guix build gnu-build-system)
+       #:modules ((guix build linux-module-build-system)
                   (guix build utils)
                   (ice-9 popen)
                   (ice-9 textual-ports))
        #:phases
        (modify-phases %standard-phases
-         (delete 'configure) ; No ./configure script
-         (replace 'build
+         (add-before 'build 'change-directory
+           (lambda _
+             (chdir "./src")
+             #t))
+         (add-after 'build 'build-patch
            (lambda* (#:key outputs #:allow-other-keys)
-             (let* ((patch-builder "./kernel-tree-scripts/create-patch.sh")
+             (let* ((patch-builder "../kernel-tree-scripts/create-patch.sh")
                     (port (open-input-pipe patch-builder))
                     (str (get-string-all port)))
                (close-pipe port)
@@ -485,15 +492,21 @@ The peer-to-peer VPN implements a Layer 2 (Ethernet) network between the peers
                  (lambda (port)
                    (format port "~a" str))))
                #t))
-         (replace 'install
+         (add-after 'install 'install-patch
            (lambda* (#:key outputs #:allow-other-keys)
              (install-file "wireguard.patch"
-                           (assoc-ref %outputs "out"))
+                           (assoc-ref %outputs "kernel-patch"))
+             #t))
+         ;; So that 'install-license-files' works...
+         (add-before 'install-license-files 'reset-cwd
+           (lambda _
+             (chdir "..")
              #t)))))
     (home-page "https://git.zx2c4.com/wireguard-linux-compat/")
     (synopsis "WireGuard kernel module for Linux 3.10 through 5.5")
-    (description "This is an out-of-tree Linux kernel patch adding WireGuard to
-kernel versions 3.10 through 5.5.  WireGuard was added to Linux 5.6.")
+    (description "This package contains an out-of-tree kernel patch and
+a loadable module adding WireGuard to Linux kernel versions 3.10 through 5.5.
+WireGuard was added to Linux 5.6.")
     (license license:gpl2)))
 
 (define-public wireguard-tools
diff --git a/gnu/packages/web.scm b/gnu/packages/web.scm
index 03cb897c82..1797e52295 100644
--- a/gnu/packages/web.scm
+++ b/gnu/packages/web.scm
@@ -4814,16 +4814,23 @@ NetSurf project.")
 (define-public ikiwiki
   (package
     (name "ikiwiki")
-    (version "3.20190228")
+    (version "3.20200202.3")
     (source
      (origin
-       (method url-fetch)
-       (uri (string-append "http://snapshot.debian.org/archive/debian/"
-                           "20190301T035241Z/pool/main/i/ikiwiki/ikiwiki_"
-                           version ".orig.tar.xz"))
+       (method git-fetch)
+       (uri (git-reference
+             (url "git://git.ikiwiki.info/")
+             (commit version)))
+       (file-name (git-file-name name version))
        (sha256
         (base32
-         "17pyblaqhkb61lxl63bzndiffism8k859p54k3k4sghclq6lsynh"))))
+         "0fphyqzlk9y8v9s89ypsmrnbhyymzrpc2w0liy0n4knc7kk2pabq"))
+       (snippet
+        '(begin
+           ;; The POT file requires write permission during the build
+           ;; phase.
+           (chmod "po/ikiwiki.pot" #o644)
+           #t))))
     (build-system perl-build-system)
     (arguments
      `(#:phases
@@ -4837,10 +4844,21 @@ NetSurf project.")
                  "        addenv(\"PERL5LIB\", \""
                  (getenv "PERL5LIB")
                  "\");")))))
-         (add-after 'patch-source-shebangs 'patch-Makefile
+         (add-after 'patch-source-shebangs 'patch-Makefiles
            (lambda _
              (substitute* "Makefile.PL"
-               (("SYSCONFDIR\\?=") "SYSCONFDIR?=$(PREFIX)"))
+                          (("SYSCONFDIR\\?=") "SYSCONFDIR?=$(PREFIX)"))
+             (with-directory-excursion "po"
+               (substitute* "Makefile"
+                            (("PERL5LIB=") "PERL5LIB=${PERL5LIB}:")))
+             #t))
+         (add-before 'build 'set-modification-times
+           ;; The wiki '--refresh' steps, which are executed during
+           ;; the check phase, require recent timestamps on files in
+           ;; the 'doc' and 'underlays' directories.
+           (lambda _
+             (invoke "find"  "doc" "underlays" "-type" "f" "-exec"
+                     "touch" "{}" "+")
              #t))
          (add-after 'install 'wrap-programs
            (lambda* (#:key outputs #:allow-other-keys)
@@ -4854,10 +4872,6 @@ NetSurf project.")
                #t))))))
     (native-inputs
      `(("which" ,which)
-       ("perl-html-tagset" ,perl-html-tagset)
-       ("perl-timedate" ,perl-timedate)
-       ("perl-xml-sax" ,perl-xml-sax)
-       ("perl-xml-simple" ,perl-xml-simple)
        ("gettext" ,gettext-minimal)
        ("subversion" ,subversion)
        ("git" ,git)
@@ -4866,14 +4880,24 @@ NetSurf project.")
        ("mercurial" ,mercurial)))
     (inputs
      `(("python" ,python-wrapper)
+       ("perl-authen-passphrase" ,perl-authen-passphrase)
        ("perl-cgi-formbuilder" ,perl-cgi-formbuilder)
        ("perl-cgi-session" ,perl-cgi-session)
        ("perl-cgi-simple" ,perl-cgi-simple)
        ("perl-db-file" ,perl-db-file)
-       ("perl-html-parser" ,perl-html-parser)
+       ("perl-file-mimeinfo" ,perl-file-mimeinfo)
+       ("perl-html-tagset" ,perl-html-tagset)
+       ("perl-image-magick" ,perl-image-magick)
+       ("perl-mail-sendmail" ,perl-mail-sendmail)
+       ("perl-timedate" ,perl-timedate)
+       ("perl-xml-sax" ,perl-xml-sax)
+       ("perl-xml-simple" ,perl-xml-simple)
+       ("perl-xml-twig" ,perl-xml-twig)
+       ("po4a" ,po4a)))
+    (propagated-inputs
+     `(("perl-html-parser" ,perl-html-parser)
        ("perl-html-scrubber" ,perl-html-scrubber)
        ("perl-html-template" ,perl-html-template)
-       ("perl-image-magick" ,perl-image-magick)
        ("perl-json" ,perl-json)
        ("perl-text-markdown-discount" ,perl-text-markdown-discount)
        ("perl-uri" ,perl-uri)
@@ -7143,8 +7167,8 @@ compressed JSON header blocks.
     (license license:expat)))
 
 (define-public hpcguix-web
-  (let ((commit "f39c90b35e99e4122b0866ec4337020d61c81508")
-        (revision "4"))
+  (let ((commit "9de63562b06b4aef3a3afe5ecb18d3c91e57ee74")
+        (revision "5"))
     (package
       (name "hpcguix-web")
       (version (git-version "0.0.1" revision commit))
@@ -7156,7 +7180,7 @@ compressed JSON header blocks.
                 (file-name (git-file-name name version))
                 (sha256
                  (base32
-                  "0idzzlwnaymk6hm5q9nh146h5m6vd8acp32vlmzp6qq08mimfkq7"))))
+                  "0wjgj2s7v2cyz6dx24c111rxs99i84sfvxl4ch8brnh02j2606jz"))))
       (build-system gnu-build-system)
       (arguments
        `(#:modules ((guix build gnu-build-system)
diff --git a/gnu/packages/wm.scm b/gnu/packages/wm.scm
index a2c992d2c6..9f64f206af 100644
--- a/gnu/packages/wm.scm
+++ b/gnu/packages/wm.scm
@@ -33,6 +33,8 @@
 ;;; Copyright © 2019, 2020 Alexandru-Sergiu Marton <brown121407@member.fsf.org>
 ;;; Copyright © 2020 Nicolas Goaziou <mail@nicolasgoaziou.fr>
 ;;; Copyright © 2020 Brice Waegeneire <brice@waegenei.re>
+;;; Copyright © 2020 Boris A. Dekshteyn <harlequin78@gmail.com>
+;;; Copyright © 2020 Marcin Karpezo <sirmacik@wioo.waw.pl>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -149,7 +151,7 @@ the leaves of a full binary tree.")
 (define-public herbstluftwm
   (package
     (name "herbstluftwm")
-    (version "0.7.2")
+    (version "0.8.1")
     (source
      (origin
        (method url-fetch)
@@ -157,9 +159,9 @@ the leaves of a full binary tree.")
                            version ".tar.gz"))
        (sha256
         (base32
-         "1kc18aj9j3nfz6fj4qxg9s3gg4jvn6kzi3ii24hfm0vqdpy17xnz"))
+         "0c1lf82z6a56g8asin91cmqhzk3anw0xwc44b31bpjixadmns57y"))
        (file-name (string-append "herbstluftwm-" version ".tar.gz"))))
-    (build-system gnu-build-system)
+    (build-system cmake-build-system)
     (inputs
      `(("dzen"        ,dzen)
        ("dmenu"       ,dmenu)
@@ -169,13 +171,20 @@ the leaves of a full binary tree.")
        ("xsetroot"    ,xsetroot)
        ("libx11"      ,libx11)
        ("libxext"     ,libxext)
-       ("libxinerama" ,libxinerama)))
+       ("libxinerama" ,libxinerama)
+       ("libxrandr"   ,libxrandr)))
     (native-inputs
-     `(("pkg-config" ,pkg-config)))
+     `(("asciidoc"   ,asciidoc)
+       ("pkg-config" ,pkg-config)))
     (arguments
-     '(#:phases
+     '(#:tests? #f
+       #:configure-flags
+       (let ((out (assoc-ref %outputs "out")))
+         (list "-DCC=gcc"
+               (string-append "-DCMAKE_INSTALL_SYSCONF_PREFIX=" out "/etc")
+               (string-append "-DBASHCOMPLETIONDIR=" out "/etc/bash_completion.d")))
+       #:phases
        (modify-phases %standard-phases
-         (delete 'configure)            ; no configure script
          (add-after 'install 'install-xsession
            (lambda* (#:key outputs #:allow-other-keys)
              (let* ((out (assoc-ref outputs "out"))
@@ -190,17 +199,7 @@ the leaves of a full binary tree.")
                      Comment=Manual tiling window manager~@
                      Exec=~a/bin/herbstluftwm~@
                      Type=XSession~%" out)))
-               #t))))
-       #:tests? #f
-       #:make-flags
-       (let ((out (assoc-ref %outputs "out")))
-         (list "CC=gcc"
-               (string-append "PREFIX=''")
-               (string-append "DESTDIR=" out)
-               (string-append "FISHCOMPLETIONDIR="
-                              "/share/fish/vendor_completions.d")
-               (string-append "BASHCOMPLETIONDIR=" out
-                              "/etc/bash_completion.d")))))
+               #t))))))
     (synopsis "Tiling window manager for X11")
     (description "herbstluftwm is a manual tiling window manager for X11 using
 Xlib and GLib.  Its main features are:
@@ -1732,6 +1731,36 @@ productive, customizable lisp based systems.")
 rendering.")
       (license (list license:gpl2+ license:gpl3+ license:bsd-2)))))
 
+(define-public sbcl-stumpwm-pass
+  (let ((commit "dd5b037923ec7d3cc27c55806bcec5a1b8cf4e91")
+        (revision "1"))
+    (package
+      (name "sbcl-pass")
+      (version (git-version "0.0.1" revision commit)) ;no upstream release
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/stumpwm/stumpwm-contrib.git")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32 "0ahxdj9f884afpzxczx6mx7l4nwg4kw6afqaq7lwhf7lxcwylldn"))))
+      (inputs
+       `(("stumpwm" ,stumpwm "lib")))
+      (build-system asdf-build-system/sbcl)
+      (arguments
+       '(#:phases
+         (modify-phases %standard-phases
+           (add-after 'unpack 'chdir
+             (lambda _
+               (chdir "util/pass"))))))
+      (home-page "https://github.com/stumpwm/stumpwm-contrib")
+      (synopsis "Integrate @code{pass} wih StumpWM")
+      (description "This package provides an interface which integrates
+password-store into StumpWM.")
+      (license (list license:gpl2+ license:gpl3+ license:bsd-2)))))
+
 (define-public sbcl-stumpwm-globalwindows
   (let ((commit "dd5b037923ec7d3cc27c55806bcec5a1b8cf4e91")
         (revision "1"))
@@ -1762,6 +1791,36 @@ rendering.")
 windows in the current X session.")
       (license (list license:gpl2+ license:gpl3+ license:bsd-2)))))
 
+(define-public sbcl-stumpwm-swm-gaps
+  (let ((commit "dd5b037923ec7d3cc27c55806bcec5a1b8cf4e91")
+        (revision "1"))
+    (package
+      (name "sbcl-swm-gaps")
+      (version (git-version "0.0.1" revision commit)) ;no upstream release
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/stumpwm/stumpwm-contrib.git")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32 "0ahxdj9f884afpzxczx6mx7l4nwg4kw6afqaq7lwhf7lxcwylldn"))))
+      (inputs
+       `(("stumpwm" ,stumpwm "lib")))
+      (build-system asdf-build-system/sbcl)
+      (arguments
+       '(#:phases
+         (modify-phases %standard-phases
+           (add-after 'unpack 'chdir
+             (lambda _
+               (chdir "util/swm-gaps"))))))
+      (home-page "https://github.com/stumpwm/stumpwm-contrib")
+      (synopsis "Gaps between windows for StumpWM")
+      (description "This package provides a StumpWM module which adds gaps
+between windows.")
+      (license (list license:gpl2+ license:gpl3+ license:bsd-2)))))
+
 (define-public lemonbar
   (let ((commit "35183ab81d2128dbb7b6d8e119cc57846bcefdb4")
         (revision "1"))
diff --git a/gnu/packages/xdisorg.scm b/gnu/packages/xdisorg.scm
index 912d1ca28b..1a7f944f59 100644
--- a/gnu/packages/xdisorg.scm
+++ b/gnu/packages/xdisorg.scm
@@ -35,6 +35,7 @@
 ;;; Copyright © 2020 Brice Waegeneire <brice@waegenei.re>
 ;;; Copyright © 2020 Damien Cassou <damien@cassou.me>
 ;;; Copyright © 2020 John Soo <jsoo1@asu.edu>
+;;; Copyright © 2020 Boris A. Dekshteyn <boris.dekshteyn@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -2288,3 +2289,40 @@ to find all available clips and launches @command{dmenu} (or @command{rofi},
 depending on the value of @code{CM_LAUNCHER}) to let the user select a clip.
 After selection, the clip is put onto the PRIMARY and CLIPBOARD X selections.")
       (license license:public-domain))))
+
+(define-public kbdd
+  (package
+    (name "kbdd")
+    (version "0.7.1")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/qnikst/kbdd.git")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "0qkq75grbd4wkx4nlvswgavpijk9ad0pzqyj89a0ayjsbsn36pqy"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("autoconf" ,autoconf)
+       ("automake" ,automake)
+       ("glib" ,glib "bin")
+       ("pkg-config" ,pkg-config)))
+    (inputs
+     `(("dbus-glib", dbus-glib)
+       ("glib" ,glib)
+       ("libx11" ,libx11)))
+    (home-page "https://github.com/qnikst/kbdd")
+    (synopsis "Per-window keyboard layout switching daemon for X")
+    (description "@command{kbdd} is a simple keyboard layout switching
+program, which is designed to run in an X11 session and remember
+keyboard layouts on a per-window basis.  That can be very handy for a
+user of a non-US keyboard who does not want to jump through layouts back
+and forth while typing in terminals (mostly in a latin alphabet) and
+some kind of chat (in native language).
+
+@command{kbdd} also supports D-Bus signals, which makes it possible to
+create layout indicator widgets.")
+    (license license:bsd-2)))
diff --git a/gnu/packages/xorg.scm b/gnu/packages/xorg.scm
index 21a24677c6..7d427d8da7 100644
--- a/gnu/packages/xorg.scm
+++ b/gnu/packages/xorg.scm
@@ -24,6 +24,7 @@
 ;;; Copyright © 2020 Leo Prikler <leo.prikler@student.tugraz.at>
 ;;; Copyright © 2020 Florian Pelz <pelzflorian@pelzflorian.de>
 ;;; Copyright © 2020 Michael Rohleder <mike@rohleder.de>
+;;; Copyright © 2020 Maxim Cournoyer <maxim.cournoyer@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -65,7 +66,9 @@
   #:use-module (gnu packages gnupg)
   #:use-module (gnu packages gperf)
   #:use-module (gnu packages gtk)
+  #:use-module (gnu packages inkscape)
   #:use-module (gnu packages image)
+  #:use-module (gnu packages imagemagick)
   #:use-module (gnu packages libbsd)
   #:use-module (gnu packages libedit)
   #:use-module (gnu packages linux)
@@ -2245,6 +2248,65 @@ X server: @code{handhelds}, @code{redglass} and @code{whiteglass}.")
     (license license:x11)))
 
 
+(define-public hackneyed-x11-cursors
+  ;; The current release 0.8 suffers from non-deterministic build problems.
+  (let ((revision "1")
+        (commit "9423cef2e2e5ff6b1d65d61f7108c97bc7f5fdfb"))
+    (package
+      (name "hackneyed-x11-cursors")
+      (version (git-version "0.8.1" revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://gitlab.com/Enthymeme/hackneyed-x11-cursors.git")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "0f637i76sdwz3nm1g1iynamq6j0i6k3c70fpl0fmd0dlynm8ga96"))))
+      (build-system gnu-build-system)
+      (arguments
+       `(#:tests? #f                    ;no test suite
+         #:make-flags (list (string-append "PREFIX=" %output))
+         #:phases
+         (modify-phases %standard-phases
+           (delete 'configure)
+           (add-before 'build 'set-inkscape-environment-variable
+             (lambda* (#:key inputs #:allow-other-keys)
+               (let ((inkscape (string-append (assoc-ref inputs "inkscape")
+                                              "/bin/inkscape")))
+                 (setenv "INKSCAPE" inkscape)
+                 #t)))
+           (add-before 'build 'placate-inkscape-warnings
+             (lambda _
+               (setenv "HOME" (getcwd))
+               #t))
+           (add-after 'build 'generate-black-cursors
+             (lambda* (#:key make-flags parallel-build #:allow-other-keys)
+               (let ((build (assoc-ref %standard-phases 'build))
+                     (make-flags/extended
+                      `(,@make-flags
+                        "THEME_NAME=Hackneyed-Dark"
+                        "COMMON_SOURCE=theme/common-dark.svg"
+                        "RSVG_SOURCE=theme/right-handed-dark.svg"
+                        "LSVG_SOURCE=theme/left-handed-dark.svg")))
+                 (build #:make-flags make-flags/extended
+                        #:parallel-build parallel-build))))
+           (add-after 'install 'install-black-cursors
+             (lambda* (#:key make-flags #:allow-other-keys)
+               (apply invoke `("make" "install" ,@make-flags
+                               "THEME_NAME=Hackneyed-Dark")))))))
+      (native-inputs `(("imagemagick" ,imagemagick)
+                       ("inkscape" ,inkscape)
+                       ("xcursorgen" ,xcursorgen)))
+      (home-page "https://gitlab.com/Enthymeme/hackneyed-x11-cursors")
+      (synopsis "Classic cursor theme for X11")
+      (description "Hackneyed is a scalable cursor theme mildly resembling old
+Windows 3.x cursors.  The cursors are available in white and black colors.  A
+left-handed version of the cursors is also included.")
+      (license license:x11))))
+
 (define-public xcursorgen
   (package
     (name "xcursorgen")
diff --git a/gnu/services.scm b/gnu/services.scm
index 126e0814eb..2e4648bf78 100644
--- a/gnu/services.scm
+++ b/gnu/services.scm
@@ -318,11 +318,10 @@ This is a shorthand for (map (lambda (svc) ...) %base-services)."
 ;;; Core services.
 ;;;
 
-(define (system-derivation mentries mextensions)
+(define (system-derivation entries mextensions)
   "Return as a monadic value the derivation of the 'system' directory
 containing the given entries."
-  (mlet %store-monad ((entries    mentries)
-                      (extensions (mapm/accumulate-builds identity
+  (mlet %store-monad ((extensions (mapm/accumulate-builds identity
                                                           mextensions)))
     (lower-object
      (file-union "system"
@@ -691,10 +690,10 @@ executables, making them setuid-root.")))
 
 (define (packages->profile-entry packages)
   "Return a system entry for the profile containing PACKAGES."
-  (mlet %store-monad ((profile (profile-derivation
-                                (packages->manifest
-                                 (delete-duplicates packages eq?)))))
-    (return `(("profile" ,profile)))))
+  (with-monad %store-monad
+    (return `(("profile" ,(profile
+                           (content (packages->manifest
+                                     (delete-duplicates packages eq?)))))))))
 
 (define profile-service-type
   ;; The service that populates the system's profile---i.e.,
diff --git a/gnu/services/docker.scm b/gnu/services/docker.scm
index 04f9127346..d6dc792821 100644
--- a/gnu/services/docker.scm
+++ b/gnu/services/docker.scm
@@ -1,5 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2018 Danny Milosavljevic <dannym@scratchpost.org>
+;;; Copyright © 2020 Jakub Kądziołka <kuba@kadziolka.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -94,7 +95,7 @@ loop-back communications.")
                           file-system-/sys/fs/cgroup/cpuset
                           file-system-/sys/fs/cgroup/devices
                           file-system-/sys/fs/cgroup/memory
-                          ; TODO: file-system-/sys/fs/cgroup/pids
+                          file-system-/sys/fs/cgroup/pids
                           networking
                           udev))
            (start #~(make-forkexec-constructor
diff --git a/gnu/system.scm b/gnu/system.scm
index 5491a687cb..861fdd7daa 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
 ;;; Copyright © 2015, 2016 Alex Kost <alezost@gmail.com>
 ;;; Copyright © 2016 Chris Marusich <cmmarusich@gmail.com>
@@ -491,26 +491,25 @@ possible (that is if there's a LINUX keyword argument in the build system)."
 (define* (operating-system-directory-base-entries os)
   "Return the basic entries of the 'system' directory of OS for use as the
 value of the SYSTEM-SERVICE-TYPE service."
-  (let ((locale (operating-system-locale-directory os)))
-    (mlet* %store-monad ((kernel -> (operating-system-kernel os))
-                         (modules ->
-                          (operating-system-kernel-loadable-modules os))
-                         (kernel
-                          (profile-derivation
-                           (packages->manifest
-                            (cons kernel
-                             (map (lambda (module)
-                                    (if (package? module)
-                                        (package-for-kernel kernel module)
-                                        module))
-                                  modules)))
-                           #:hooks (list linux-module-database)))
-                         (initrd -> (operating-system-initrd-file os))
-                         (params -> (operating-system-boot-parameters-file os)))
-      (return `(("kernel" ,kernel)
-                ("parameters" ,params)
-                ("initrd" ,initrd)
-                ("locale" ,locale))))))   ;used by libc
+  (let* ((locale  (operating-system-locale-directory os))
+         (kernel  (operating-system-kernel os))
+         (modules (operating-system-kernel-loadable-modules os))
+         (kernel  (profile
+                   (content (packages->manifest
+                             (cons kernel
+                                   (map (lambda (module)
+                                          (if (package? module)
+                                              (package-for-kernel kernel
+                                                                  module)
+                                              module))
+                                        modules))))
+                   (hooks (list linux-module-database))))
+         (initrd  (operating-system-initrd-file os))
+         (params  (operating-system-boot-parameters-file os)))
+    `(("kernel" ,kernel)
+      ("parameters" ,params)
+      ("initrd" ,initrd)
+      ("locale" ,locale))))   ;used by libc
 
 (define (operating-system-default-essential-services os)
   "Return the list of essential services for OS.  These are special services
diff --git a/gnu/system/file-systems.scm b/gnu/system/file-systems.scm
index 3b599efa8e..b41f66e943 100644
--- a/gnu/system/file-systems.scm
+++ b/gnu/system/file-systems.scm
@@ -1,5 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2020 Jakub Kądziołka <kuba@kadziolka.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -389,7 +390,7 @@ TARGET in the other system."
                    ;; parent directory.
                    (dependencies (list parent))))
                '("cpuset" "cpu" "cpuacct" "memory" "devices" "freezer"
-                 "blkio" "perf_event")))))
+                 "blkio" "perf_event" "pids")))))
 
 (define %elogind-file-systems
   ;; We don't use systemd, but these file systems are needed for elogind,
diff --git a/gnu/system/linux-container.scm b/gnu/system/linux-container.scm
index c8807398b3..c5e2e4bf9c 100644
--- a/gnu/system/linux-container.scm
+++ b/gnu/system/linux-container.scm
@@ -1,6 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2015 David Thompson <davet@gnu.org>
-;;; Copyright © 2016, 2017, 2019 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2016, 2017, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2019 Arun Isaac <arunisaac@systemreboot.net>
 ;;; Copyright © 2020 Efraim Flashner <efraim@flashner.co.il>
 ;;;
@@ -53,9 +53,7 @@ from OS that are needed on the bare metal and not in a container."
             (operating-system-default-essential-services os)))
 
   (cons (service system-service-type
-                 (let ((locale (operating-system-locale-directory os)))
-                   (with-monad %store-monad
-                     (return `(("locale" ,locale))))))
+                 `(("locale" ,(operating-system-locale-directory os))))
         ;; If network is to be shared with the host, remove network
         ;; configuration files from etc-service.
         (if shared-network?
diff --git a/gnu/tests/install.scm b/gnu/tests/install.scm
index 1b113602ed..343fdc67f6 100644
--- a/gnu/tests/install.scm
+++ b/gnu/tests/install.scm
@@ -254,7 +254,7 @@ packages defined in installation-os."
               (make-marionette
                `(,(which #$(qemu-command system))
                  "-no-reboot"
-                 "-m" "800"
+                 "-m" "1200"
                  #$@(cond
                      ((string=? "ext4" installation-disk-image-file-system-type)
                       #~("-drive"
@@ -389,6 +389,7 @@ per %test-installed-os, this test is expensive in terms of CPU and storage.")
     (services (cons (service marionette-service-type
                              (marionette-configuration
                               (imported-modules '((gnu services herd)
+                                                  (guix build utils)
                                                   (guix combinators)))))
                     %base-services))))
 
@@ -1060,7 +1061,7 @@ build (current-guix) and then store a couple of full system images.")
 (define* (installation-target-os-for-gui-tests
           #:key (encrypted? #f))
   (operating-system
-    (inherit %minimal-os)
+    (inherit %minimal-os-on-vda)
     (users (append (list (user-account
                           (name "alice")
                           (comment "Bob's sister")
@@ -1076,9 +1077,9 @@ build (current-guix) and then store a couple of full system images.")
                    %base-user-accounts))
     ;; The installer does not create a swap device in guided mode with
     ;; encryption support.
-    (swap-devices (if encrypted? '() '("/dev/vdb2")))
+    (swap-devices (if encrypted? '() '("/dev/vda2")))
     (services (cons (service dhcp-client-service-type)
-                    (operating-system-user-services %minimal-os)))))
+                    (operating-system-user-services %minimal-os-on-vda)))))
 
 (define* (installation-target-desktop-os-for-gui-tests
           #:key (encrypted? #f))
diff --git a/gnu/tests/reconfigure.scm b/gnu/tests/reconfigure.scm
index 8b85920979..928a210a94 100644
--- a/gnu/tests/reconfigure.scm
+++ b/gnu/tests/reconfigure.scm
@@ -136,14 +136,6 @@ Shepherd (PID 1) by unloading obsolete services and loading new services."
                       (stop #~(const #t))
                       (respawn? #f)))
 
-  ;; Return the Shepherd service file for SERVICE, after ensuring that it
-  ;; exists in the store.
-  (define (ensure-service-file service)
-    (let ((file (shepherd-service-file service)))
-      (mlet* %store-monad ((store-object (lower-object file))
-                           (_ (built-derivations (list store-object))))
-        (return file))))
-
   (define (test enable-dummy disable-dummy)
     (with-imported-modules '((gnu build marionette))
       #~(begin
@@ -187,10 +179,12 @@ Shepherd (PID 1) by unloading obsolete services and loading new services."
           (test-end)
           (exit (= (test-runner-fail-count (test-runner-current)) 0)))))
 
-  (mlet* %store-monad ((file (ensure-service-file dummy-service)))
-    (let ((enable (upgrade-services-program (list file) '(dummy) '() '()))
+  (gexp->derivation
+   "upgrade-services"
+   (let* ((file (shepherd-service-file dummy-service))
+          (enable (upgrade-services-program (list file) '(dummy) '() '()))
           (disable (upgrade-services-program '() '() '(dummy) '())))
-      (gexp->derivation "upgrade-services" (test enable disable)))))
+     (test enable disable))))
 
 (define* (run-install-bootloader-test)
   "Run a test of an OS running INSTALL-BOOTLOADER-PROGRAM, which installs a
diff --git a/guix/channels.scm b/guix/channels.scm
index 785b97722e..041fae2a9c 100644
--- a/guix/channels.scm
+++ b/guix/channels.scm
@@ -568,9 +568,7 @@ channel instances."
 (define (package-cache-file manifest)
   "Build a package cache file for the instance in MANIFEST.  This is meant to
 be used as a profile hook."
-  (mlet %store-monad ((profile (profile-derivation manifest
-                                                   #:hooks '())))
-
+  (let ((profile (profile (content manifest) (hooks '()))))
     (define build
       #~(begin
           (use-modules (gnu packages))
diff --git a/guix/import/crate.scm b/guix/import/crate.scm
index 0b4482e876..e3ec11d7f8 100644
--- a/guix/import/crate.scm
+++ b/guix/import/crate.scm
@@ -201,14 +201,16 @@ latest version of CRATE-NAME."
     (lookup-crate crate-name))
 
   (define version-number
-    (or version
-        (crate-latest-version crate)))
+    (and crate
+         (or version
+             (crate-latest-version crate))))
 
   (define version*
-    (find (lambda (version)
-            (string=? (crate-version-number version)
-                      version-number))
-          (crate-versions crate)))
+    (and crate
+         (find (lambda (version)
+                 (string=? (crate-version-number version)
+                           version-number))
+               (crate-versions crate))))
 
   (and crate version*
        (let* ((dependencies   (crate-version-dependencies version*))
diff --git a/guix/profiles.scm b/guix/profiles.scm
index fbadf41284..2fecf3eb7d 100644
--- a/guix/profiles.scm
+++ b/guix/profiles.scm
@@ -125,6 +125,15 @@
             profile-derivation
             profile-search-paths
 
+            profile
+            profile?
+            profile-name
+            profile-content
+            profile-hooks
+            profile-locales?
+            profile-allow-collisions?
+            profile-relative-symlinks?
+
             generation-number
             generation-profile
             generation-numbers
@@ -1660,6 +1669,33 @@ are cross-built for TARGET."
                                        . ,(length
                                            (manifest-entries manifest))))))))
 
+;; Declarative profile.
+(define-record-type* <profile> profile make-profile
+  profile?
+  (name               profile-name (default "profile")) ;string
+  (content            profile-content)                  ;<manifest>
+  (hooks              profile-hooks                     ;list of procedures
+                      (default %default-profile-hooks))
+  (locales?           profile-locales?            ;Boolean
+                      (default #t))
+  (allow-collisions?  profile-allow-collisions?   ;Boolean
+                      (default #f))
+  (relative-symlinks? profile-relative-symlinks?  ;Boolean
+                      (default #f)))
+
+(define-gexp-compiler (profile-compiler (profile <profile>) system target)
+  "Compile PROFILE to a derivation."
+  (match profile
+    (($ <profile> name manifest hooks
+                  locales? allow-collisions? relative-symlinks?)
+     (profile-derivation manifest
+                         #:name name
+                         #:hooks hooks
+                         #:locales? locales?
+                         #:allow-collisions? allow-collisions?
+                         #:relative-symlinks? relative-symlinks?
+                         #:system system #:target target))))
+
 (define* (profile-search-paths profile
                                #:optional (manifest (profile-manifest profile))
                                #:key (getenv (const #f)))
diff --git a/guix/scripts/edit.scm b/guix/scripts/edit.scm
index a6fd1d2751..43f3011869 100644
--- a/guix/scripts/edit.scm
+++ b/guix/scripts/edit.scm
@@ -56,10 +56,9 @@ Start $VISUAL or $EDITOR to edit the definitions of PACKAGE...\n"))
   (show-bug-report-information))
 
 (define %editor
-  ;; XXX: It would be better to default to something more likely to be
-  ;; pre-installed on an average GNU system.  Since Nano is not suited for
-  ;; editing Scheme, Emacs is used instead.
-  (make-parameter (or (getenv "VISUAL") (getenv "EDITOR") "emacs")))
+  ;; Nano is sensible default, as it is installed by base system.
+  ;; For development, user can set custom value for $EDITOR.
+  (make-parameter (or (getenv "VISUAL") (getenv "EDITOR") "nano")))
 
 (define (search-path* path file)
   "Like 'search-path' but exit if FILE is not found."
diff --git a/guix/scripts/pack.scm b/guix/scripts/pack.scm
index 4f72304e57..580f696b41 100644
--- a/guix/scripts/pack.scm
+++ b/guix/scripts/pack.scm
@@ -1071,7 +1071,21 @@ Create a bundle of PACKAGE.\n"))
                    (localstatedir? (assoc-ref opts 'localstatedir?))
                    (entry-point    (assoc-ref opts 'entry-point))
                    (profile-name   (assoc-ref opts 'profile-name))
-                   (gc-root        (assoc-ref opts 'gc-root)))
+                   (gc-root        (assoc-ref opts 'gc-root))
+                   (profile        (profile
+                                    (content manifest)
+
+                                    ;; Always produce relative symlinks for
+                                    ;; Singularity (see
+                                    ;; <https://bugs.gnu.org/34913>).
+                                    (relative-symlinks?
+                                     (or relocatable?
+                                         (eq? 'squashfs pack-format)))
+
+                                    (hooks (if bootstrap?
+                                               '()
+                                               %default-profile-hooks))
+                                    (locales? (not bootstrap?)))))
               (define (lookup-package package)
                 (manifest-lookup manifest (manifest-pattern (name package))))
 
@@ -1085,22 +1099,7 @@ Create a bundle of PACKAGE.\n"))
 to your package list.")))
 
               (run-with-store store
-                (mlet* %store-monad ((profile (profile-derivation
-                                               manifest
-
-                                               ;; Always produce relative
-                                               ;; symlinks for Singularity (see
-                                               ;; <https://bugs.gnu.org/34913>).
-                                               #:relative-symlinks?
-                                               (or relocatable?
-                                                   (eq? 'squashfs pack-format))
-
-                                               #:hooks (if bootstrap?
-                                                           '()
-                                                           %default-profile-hooks)
-                                               #:locales? (not bootstrap?)
-                                               #:target target))
-                                     (drv (build-image name profile
+                (mlet* %store-monad ((drv (build-image name profile
                                                        #:target
                                                        target
                                                        #:compressor
diff --git a/guix/scripts/substitute.scm b/guix/scripts/substitute.scm
index 95b47a7816..ba2b2d2d4e 100755
--- a/guix/scripts/substitute.scm
+++ b/guix/scripts/substitute.scm
@@ -494,7 +494,8 @@ MAX-LENGTH first elements."
            (loop (+ 1 len) tail (cons head result)))))))
 
 (define* (http-multiple-get base-uri proc seed requests
-                            #:key port (verify-certificate? #t))
+                            #:key port (verify-certificate? #t)
+                            (batch-size 1000))
   "Send all of REQUESTS to the server at BASE-URI.  Call PROC for each
 response, passing it the request object, the response, a port from which to
 read the response body, and the previous result, starting with SEED, à la
@@ -504,7 +505,7 @@ initial connection on which HTTP requests are sent."
                 (requests requests)
                 (result   seed))
     (define batch
-      (at-most 1000 requests))
+      (at-most batch-size requests))
 
     ;; (format (current-error-port) "connecting (~a requests left)..."
     ;;         (length requests))
@@ -536,9 +537,10 @@ initial connection on which HTTP requests are sent."
           (()
            (match (drop requests processed)
              (()
+              (close-port p)
               (reverse result))
              (remainder
-              (connect port remainder result))))
+              (connect p remainder result))))
           ((head tail ...)
            (let* ((resp   (read-response p))
                   (body   (response-body-port resp))
diff --git a/tests/crate.scm b/tests/crate.scm
index aa51faebf9..61a04f986b 100644
--- a/tests/crate.scm
+++ b/tests/crate.scm
@@ -55,7 +55,7 @@
   \"dependencies\": [
      {
        \"crate_id\": \"bar\",
-       \"kind\": \"normal\",
+       \"kind\": \"normal\"
      }
   ]
 }")
@@ -87,20 +87,20 @@
   \"dependencies\": [
      {
        \"crate_id\": \"intermediate-1\",
-       \"kind\": \"normal\",
+       \"kind\": \"normal\"
      },
      {
        \"crate_id\": \"intermediate-2\",
-       \"kind\": \"normal\",
+       \"kind\": \"normal\"
      }
      {
        \"crate_id\": \"leaf-alice\",
-       \"kind\": \"normal\",
+       \"kind\": \"normal\"
      },
      {
        \"crate_id\": \"leaf-bob\",
-       \"kind\": \"normal\",
-     },
+       \"kind\": \"normal\"
+     }
   ]
 }")
 
@@ -131,15 +131,15 @@
   \"dependencies\": [
      {
        \"crate_id\": \"intermediate-2\",
-       \"kind\": \"normal\",
+       \"kind\": \"normal\"
      },
      {
        \"crate_id\": \"leaf-alice\",
-       \"kind\": \"normal\",
+       \"kind\": \"normal\"
      },
      {
        \"crate_id\": \"leaf-bob\",
-       \"kind\": \"normal\",
+       \"kind\": \"normal\"
      }
   ]
 }")
@@ -171,8 +171,8 @@
   \"dependencies\": [
      {
        \"crate_id\": \"leaf-bob\",
-       \"kind\": \"normal\",
-     },
+       \"kind\": \"normal\"
+     }
   ]
 }")
 
@@ -233,6 +233,7 @@
 (define test-source-hash
   "")
 
+
 (test-begin "crate")
 
 (test-equal "guix-package->crate-name"
diff --git a/tests/gem.scm b/tests/gem.scm
index 455fc15189..751bba656f 100644
--- a/tests/gem.scm
+++ b/tests/gem.scm
@@ -52,7 +52,7 @@
   \"homepage_uri\": \"https://example.com\",
   \"dependencies\": {
     \"runtime\": [
-      { \"name\": \"bundler\" },
+      { \"name\": \"bundler\" }
     ]
   },
   \"licenses\": null
diff --git a/tests/profiles.scm b/tests/profiles.scm
index 21c912a532..055924ba3e 100644
--- a/tests/profiles.scm
+++ b/tests/profiles.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2014 Alex Kost <alezost@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
@@ -223,6 +223,17 @@
                  (string=? (dirname (readlink bindir))
                            (derivation->output-path guile))))))
 
+(test-assertm "<profile>"
+  (mlet* %store-monad
+      ((entry ->   (package->manifest-entry %bootstrap-guile))
+       (profile -> (profile (hooks '()) (locales? #f)
+                            (content (manifest (list entry)))))
+       (drv        (lower-object profile))
+       (profile -> (derivation->output-path drv))
+       (bindir ->  (string-append profile "/bin"))
+       (_          (built-derivations (list drv))))
+    (return (file-exists? (string-append bindir "/guile")))))
+
 (test-assertm "profile-derivation relative symlinks, one entry"
   (mlet* %store-monad
       ((entry ->   (package->manifest-entry %bootstrap-guile))
diff --git a/tests/pypi.scm b/tests/pypi.scm
index 19af6e61fb..6788c8db3e 100644
--- a/tests/pypi.scm
+++ b/tests/pypi.scm
@@ -46,13 +46,13 @@
     \"1.0.0\": [
       {
         \"url\": \"https://example.com/foo-1.0.0.egg\",
-        \"packagetype\": \"bdist_egg\",
+        \"packagetype\": \"bdist_egg\"
       }, {
         \"url\": \"https://example.com/foo-1.0.0.tar.gz\",
-        \"packagetype\": \"sdist\",
+        \"packagetype\": \"sdist\"
       }, {
         \"url\": \"https://example.com/foo-1.0.0-py2.py3-none-any.whl\",
-        \"packagetype\": \"bdist_wheel\",
+        \"packagetype\": \"bdist_wheel\"
       }
     ]
   }
@@ -120,6 +120,7 @@ Provides-Extra: testing
 Requires-Dist: pytest (>=3.1.0); extra == 'testing'
 ")
 
+
 (test-begin "pypi")
 
 (test-equal "guix-package->pypi-name, old URL style"