Merge branch 'master' into core-updates

1 files changed, 1346 insertions, 12 deletions

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index c3d2419f88..e138b93e9b 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -2,6 +2,7 @@
 ;;; Copyright © 2019 Ivan Petkov <ivanppetkov@gmail.com>
 ;;; Copyright © 2019 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2019 Nicolas Goaziou <mail@nicolasgoaziou.fr>
+;;; Copyright © 2019 Giacomo Leidi <goodoldpaul@autistici.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -23,12 +24,73 @@
   #:use-module (guix download)
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix packages)
+  #:use-module (gnu packages compression)
+  #:use-module (gnu packages gcc)
+  #:use-module (gnu packages jemalloc)
+  #:use-module (gnu packages llvm)
+  #:use-module (gnu packages maths)
   #:use-module (gnu packages pkg-config))
 
 ;;;
 ;;; Please: Try to add new module packages in alphabetic order.
 ;;;
 
+(define-public rust-adler32
+  (package
+    (name "rust-adler32")
+    (version "1.0.3")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "adler32" version))
+        (file-name
+          (string-append name "-" version ".tar.gz"))
+        (sha256
+          (base32
+            "0p7fxlnks9l7p7rwfqi7aqgnk2bps5zc0rjiw00mdw19nnbjjlky"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-development-inputs (("rust-rand" ,rust-rand))))
+    (home-page "https://github.com/remram44/adler32-rs")
+    (synopsis "Implementation of the Adler32 rolling hash algorithm")
+    (description
+     "This library is an implementation of the Adler32 rolling hash algorithm in
+the Rust programming language.")
+    (license (list license:bsd-3
+                   license:zlib))))
+
+(define-public rust-ansi-term
+  (package
+    (name "rust-ansi-term")
+    (version "0.11.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "ansi_term" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "16wpvrghvd0353584i1idnsgm0r3vchg8fyrm0x8ayv1rgvbljgf"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-winapi" ,rust-winapi))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'fix-tests
+           ;; https://github.com/ogham/rust-ansi-term/commit/5ff6af6f38790abcb3aafee1239286c10ef69576.patch
+           (lambda _
+             (substitute* "src/debug.rs"
+               (("^ *Blue") "        Blue,")
+               (("underline: false") "underline: false,"))
+             #t)))))
+    (home-page "https://github.com/ogham/rust-ansi-term")
+    (synopsis "Library for ANSI terminal colours and styles")
+    (description
+     "This is a library for controlling colours and formatting, such as red bold
+text or blue underlined text, on ANSI terminals.")
+    (license license:expat)))
+
 (define-public rust-antidote
   (package
     (name "rust-antidote")
@@ -96,6 +158,29 @@ support.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-base-x
+  (package
+    (name "rust-base-x")
+    (version "0.2.5")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "base-x" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0hv4y5cdhv6bk0ghk2434clw8v4mmk5cc9lsh6qrpri92zlfmx3n"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-development-inputs
+       (("rust-bencher" ,rust-bencher)
+        ("rust-json" ,rust-json)
+        ("rust-rand" ,rust-rand-0.3))))
+    (home-page "https://github.com/OrKoN/base-x-rs")
+    (synopsis "Encode/decode any base")
+    (description "This library provides for encoding and decoding any base.")
+    (license license:expat)))
+
 (define-public rust-bencher
   (package
     (name "rust-bencher")
@@ -160,6 +245,29 @@ behave like a set of bitflags.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-cargon
+  (package
+    (name "rust-cargon")
+    (version "0.0.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "cargon" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1cszlab7jk736p0lb50ag4l9nv72m7j41bwrmygl0lr4iz0350w2"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-gcc" ,rust-gcc))))
+    (home-page "https://github.com/bryant/argon2rs")
+    (synopsis "Thin wrapper around the Argon2 C library")
+    (description
+     "This package provides a thin wrapper around the Argon2 C library.  It is
+used in argon2rs' bench suite.")
+    (license license:wtfpl2)))
+
 (define-public rust-cblas-sys
   (package
     (name "rust-cblas-sys")
@@ -182,6 +290,45 @@ behave like a set of bitflags.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-cc
+  (package
+    (name "rust-cc")
+    (version "1.0.41")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "cc" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1zxzd559dbbf1iwdzmkj7czapzccs17kqqmsj9ayijpdix5rrbld"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(;#:cargo-inputs
+       ;(("rust-rayon" ,rust-rayon))
+       #:cargo-development-inputs
+       (("rust-tempdir" ,rust-tempdir))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'remove-optional-deps
+           (lambda _
+             (substitute* "Cargo.toml.orig"
+               ((".*optional.*") "\n")
+               ((".*features.*") "")
+               ((".*parallel.*") ""))
+             (delete-file "Cargo.toml")
+             (copy-file "Cargo.toml.orig" "Cargo.toml")
+             #t)))
+       #:tests? #f)) ; Tests require cc-test from git repo.
+    (home-page "https://github.com/alexcrichton/cc-rs")
+    (synopsis "Invoke the native C compiler")
+    (description
+     "This package provides a build-time dependency for Cargo build scripts to
+assist in invoking the native C compiler to compile native C code into a static
+archive to be linked into Rustcode.")
+    (license (list license:asl2.0
+                   license:expat))))
+
 (define-public rust-cfg-if
   (package
     (name "rust-cfg-if")
@@ -203,6 +350,42 @@ depending on a large number of #[cfg] parameters.  Structured like an
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-clang-sys
+  (package
+    (name "rust-clang-sys")
+    (version "0.28.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "clang-sys" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0ls8zcqi5bmmrvrk3b6r1ym4wlivinbv590d2dvg2xn9f44mbpl1"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-glob" ,rust-glob)
+        ("rust-libc" ,rust-libc)
+        ("rust-libloading" ,rust-libloading))
+       #:cargo-development-inputs
+       (("rust-glob" ,rust-glob))
+       #: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://github.com/KyleMayes/clang-sys")
+    (synopsis "Rust bindings for libclang")
+    (description
+     "This package provides Rust bindings for @code{libclang}.")
+    (license license:asl2.0)))
+
 (define-public rust-clicolors-control
   (package
     (name "rust-clicolors-control")
@@ -251,6 +434,81 @@ colorization.")
      "Low level interface to CloudABI.  Contains all syscalls and related types.")
     (license license:bsd-2)))
 
+(define-public rust-cmake
+  (package
+    (name "rust-cmake")
+    (version "0.1.42")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "cmake" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0qkwibkvx5xjazvv9v8gvdlpky2jhjxvcz014nrixgzqfyv2byw1"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs (("rust-cc" ,rust-cc))))
+    (home-page "https://github.com/alexcrichton/cmake-rs")
+    (synopsis "Rust build dependency for running cmake")
+    (description
+     "This package provides a build dependency for running @code{cmake} to build
+a native library.  The CMake executable is assumed to be @code{cmake} unless the
+CMAKE environmental variable is set.")
+    (license (list license:asl2.0
+                   license:expat))))
+
+;; This package requires features which are unavailable
+;; on the stable releases of Rust.
+(define-public rust-compiler-builtins
+  (package
+    (name "rust-compiler-builtins")
+    (version "0.1.19")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "compiler_builtins" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1fpabpmg8paj4r5a37vmidh1jx1b7a6ilxm4s3xsxczx27ybjcjf"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-cc" ,rust-cc)
+        ("rust-rustc-std-workspace-core"
+         ,rust-rustc-std-workspace-core))))
+    (home-page "https://github.com/rust-lang-nursery/compiler-builtins")
+    (synopsis "Compiler intrinsics used by the Rust compiler")
+    (description
+     "This package provides compiler intrinsics used by the Rust compiler.  This
+package is primarily useful when building the @code{core} crate yourself and you
+need compiler-rt intrinsics.")
+    (properties `((hidden? . #t)))
+    (license (list license:asl2.0
+                   license:expat))))
+
+(define-public rust-constant-time-eq
+  (package
+    (name "rust-constant-time-eq")
+    (version "0.1.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "constant_time_eq" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "083icpr9xb72rrdxw3p4068dcspn6ai22jy7rhl2a8grfz448nlr"))))
+    (build-system cargo-build-system)
+    (home-page "https://github.com/cesarb/constant_time_eq")
+    (synopsis
+     "Compares two equal-sized byte strings in constant time")
+    (description
+     "This package compares two equal-sized byte strings in constant time.
+It is inspired by the Linux kernel's @code{crypto_memneq}.")
+    (license license:cc0)))
+
 (define-public rust-core-foundation-sys
   (package
     (name "rust-core-foundation-sys")
@@ -405,6 +663,38 @@ provides implementations for @code{HashMap} and @code{HashSet}.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-filetime
+  (package
+    (name "rust-filetime")
+    (version "0.2.7")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "filetime" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0sflihq2l77xjrza7yjalnxsc7dxzg25rhzcfbd9vmyfah5kimvb"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-cfg-if" ,rust-cfg-if)
+        ("rust-libc" ,rust-libc)
+        ("rust-redox-syscall" ,rust-redox-syscall)
+        ("rust-winapi" ,rust-winapi))
+       #:cargo-development-inputs
+       (("rust-tempdir" ,rust-tempdir))))
+    (home-page "https://github.com/alexcrichton/filetime")
+    (synopsis "Platform-agnostic accessors of timestamps in File metadata")
+    (description
+     "This library contains a helper library for inspecting and setting the
+various timestamps of files in Rust.  This library takes into account
+cross-platform differences in terms of where the timestamps are located, what
+they are called, and how to convert them into a platform-independent
+representation.")
+    (license (list license:asl2.0
+                   license:expat))))
+
 (define-public rust-findshlibs
   (package
     (name "rust-findshlibs")
@@ -443,7 +733,7 @@ cross platform API.")
          (base32
           "0czam11mi80dbyhf4rd4lz0ihcf7vkfchrdcrn45wbs0h40dxm46"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/bluss/fixedbitset")
+    (home-page "https://github.com/petgraph/fixedbitset")
     (synopsis "FixedBitSet is a simple bitset collection")
     (description "FixedBitSet is a simple bitset collection.")
     (license (list license:asl2.0
@@ -610,7 +900,7 @@ featuring zero allocations, composability, and iterator-like interfaces.")
      `(#:cargo-inputs
        (("rust-futures" ,rust-futures)
         ("rust-num-cpus" ,rust-num-cpus))))
-    (home-page "https://github.com/alexcrichton/futures-rs")
+    (home-page "https://github.com/rust-lang-nursery/futures-rs")
     (synopsis "Implementation of thread pools which hand out futures")
     (description
      "An implementation of thread pools which hand out futures to the results of
@@ -638,6 +928,125 @@ the computation on the threads themselves.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-gcc
+  (package
+    (inherit rust-cc)
+    (name "rust-gcc")
+    (version "0.3.55")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "gcc" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1hng1sajn4r67hndvhjysswz8niayjwvcj42zphpxzhbz89kjpwg"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(;#:cargo-inputs
+       ;(("rust-rayon" ,rust-rayon))
+       #:cargo-development-inputs
+       (("rust-tempdir" ,rust-tempdir))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'remove-optional-deps
+           (lambda _
+             (substitute* "Cargo.toml.orig"
+               ((".*optional.*") "\n")
+               ((".*features.*") "")
+               ((".*parallel.*") ""))
+             (delete-file "Cargo.toml")
+             (copy-file "Cargo.toml.orig" "Cargo.toml")
+             #t)))
+       #:tests? #f))
+    (home-page "https://github.com/alexcrichton/cc-rs")
+    (synopsis "Library to compile C/C++ code into a Rust library/application")
+    (description
+     "This package provides a build-time dependency for Cargo build scripts to
+assist in invoking the native C compiler to compile native C code into a static
+archive to be linked into Rustcode.")
+    (license (list license:asl2.0
+                   license:expat))))
+
+(define-public rust-getopts
+  (package
+    (name "rust-getopts")
+    (version "0.2.17")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "getopts" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "018yhq97zgcrcxwhj3pxh31h83704sgaiijdnpl0r1ir366c005r"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-development-inputs
+       (("rust-log" ,rust-log))))
+    (home-page "https://github.com/rust-lang-nursery/getopts")
+    (synopsis "Rust library for option parsing for CLI utilities")
+    (description "This library provides getopts-like option parsing.")
+    (license (list license:asl2.0
+                   license:expat))))
+
+(define-public rust-glob
+  (package
+    (name "rust-glob")
+    (version "0.3.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "glob" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0x25wfr7vg3mzxc9x05dcphvd3nwlcmbnxrvwcvrrdwplcrrk4cv"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-development-inputs
+       (("rust-tempdir" ,rust-tempdir))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'fix-tests
+           ;; This test assumes /root exists but is unreadable by the user.
+           (lambda _
+             (substitute* "src/lib.rs"
+               (("cfg\\(all\\(unix,.*") "cfg(windows)]\n"))
+             #t)))))
+    (home-page "https://github.com/rust-lang-nursery/glob")
+    (synopsis "Match file paths against Unix shell style patterns")
+    (description
+     "This package provides support for matching file paths against Unix
+shell style patterns.")
+    (license (list license:asl2.0
+                   license:expat))))
+
+(define-public rust-glob-0.2
+  (package
+    (inherit rust-glob)
+    (name "rust-glob")
+    (version "0.2.11")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "glob" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1ysvi72slkw784fcsymgj4308c3y03gwjjzqxp80xdjnkbh8vqcb"))))
+    (arguments
+     `(#:cargo-development-inputs
+       (("rust-tempdir" ,rust-tempdir))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'fix-tests
+           ;; This test assumes /root exists but is unreadable by the user.
+           (lambda _
+             (substitute* "src/lib.rs"
+               (("cfg\\(unix") "cfg(windows"))
+             #t)))))))
+
 (define-public rust-heapsize
   (package
     (name "rust-heapsize")
@@ -664,6 +1073,54 @@ heap.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-heapsize-0.3
+  (package
+    (inherit rust-heapsize)
+    (name "rust-heapsize")
+    (version "0.3.9")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "heapsize" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0dmwc37vgsdjzk10443dj4f23439i9gch28jcwzmry3chrwx8v2m"))))
+    (arguments
+     `(#:cargo-inputs (("rust-kernel32-sys" ,rust-kernel32-sys))
+       #:tests? #f)))) ;; No flexible-tests feature flags on this release.
+
+;; This package makes use of removed features
+(define-public rust-heapsize-plugin
+  (package
+    (name "rust-heapsize-plugin")
+    (version "0.1.6")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "heapsize_plugin" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1i72isf699q9jl167g2kg4xd6h3cd05rc79zaph58aqjy0g0m9y9"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-development-inputs (("rust-heapsize" ,rust-heapsize-0.3))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'fix-Cargo-toml
+           (lambda _
+             (substitute* "Cargo.toml"
+               (("path = \"..\", ") ""))
+             #t)))))
+    (home-page "https://github.com/servo/heapsize")
+    (synopsis "Measure runtime size of an object on the heap")
+    (description
+     "This package automatically generates infrastructure for measuring the
+total runtime size of an object on the heap")
+    (properties `((hidden? . #t)))
+    (license license:mpl2.0)))
+
 (define-public rust-hex
   (package
     (name "rust-hex")
@@ -751,6 +1208,41 @@ primitives to an @code{io::Write}.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-jemalloc-sys
+  (package
+    (name "rust-jemalloc-sys")
+    (version "0.3.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "jemalloc-sys" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0ify9vlql01qhfxlj7d4p9jvcp90mj2h69nkbq7slccvbhzryfqd"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-libc" ,rust-libc)
+        ("rust-cc" ,rust-cc)
+        ("rust-fs-extra" ,rust-fs-extra))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'override-jemalloc
+           (lambda* (#:key inputs #:allow-other-keys)
+             (let ((jemalloc (assoc-ref inputs "jemalloc")))
+               (delete-file-recursively "jemalloc")
+               (setenv "JEMALLOC_OVERRIDE"
+                       (string-append jemalloc "/lib/libjemalloc_pic.a")))
+             #t)))))
+    (inputs
+     `(("jemalloc" ,jemalloc)))
+    (home-page "https://github.com/gnzlbg/jemallocator")
+    (synopsis "Rust FFI bindings to jemalloc")
+    (description "This package provides Rust FFI bindings to jemalloc.")
+    (license (list license:asl2.0
+                   license:expat))))
+
 (define-public rust-json
   (package
     (name "rust-json")
@@ -801,6 +1293,34 @@ friction with idiomatic Rust structs to ease interopability.")
 kernel32.")
     (license license:expat)))
 
+(define-public rust-language-tags
+  (package
+    (name "rust-language-tags")
+    (version "0.2.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "language-tags" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "16hrjdpa827carq5x4b8zhas24d8kg4s16m6nmmn1kb7cr5qh7d9"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-heapsize" ,rust-heapsize-0.3))
+       #:cargo-development-inputs
+       (("rust-heapsize-plugin" ,rust-heapsize-plugin))))
+    (home-page "https://github.com/pyfisch/rust-language-tags")
+    (synopsis "Language tags for Rust")
+    (description
+     "Language tags can be used identify human languages, scripts e.g. Latin
+script, countries and other regions.  They are commonly used in HTML and HTTP
+@code{Content-Language} and @code{Accept-Language} header fields.  This package
+currently supports parsing (fully conformant parser), formatting and comparing
+language tags.")
+    (license license:expat)))
+
 (define-public rust-lazy-static
   (package
     (name "rust-lazy-static")
@@ -859,6 +1379,89 @@ the platform that libc is compiled for.")
     (license (list license:expat
                    license:asl2.0))))
 
+(define-public rust-libloading
+  (package
+    (name "rust-libloading")
+    (version "0.5.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "libloading" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0lyply8rcqc8agajzxs7bq6ivba9dnn1i68kgb9z2flnfjh13cgj"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-cc" ,rust-cc)
+        ("rust-winapi" ,rust-winapi))))
+    (home-page "https://github.com/nagisa/rust_libloading/")
+    (synopsis "Rust library for loading dynamic libraries")
+    (description
+     "A memory-safer wrapper around system dynamic library loading primitives.
+The most important safety guarantee by this library is prevention of
+dangling-Symbols that may occur after a Library is unloaded.  Using this library
+allows loading dynamic libraries (also known as shared libraries) as well as use
+functions and static variables these libraries contain.")
+    (license license:isc)))
+
+(define-public rust-log
+  (package
+    (name "rust-log")
+    (version "0.3.8")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "log" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0nsn28syc49vvjhxcfc8261rd1frhjc0r4bn9v3mqvps3ra7f3w8"))))
+    (build-system cargo-build-system)
+    (home-page "https://github.com/rust-lang-nursery/log")
+    (synopsis "Lightweight logging")
+    (description
+     "This package provides a lightweight logging facade for Rust")
+    (license (list license:asl2.0
+                   license:expat))))
+
+(define-public rust-lzma-sys
+  (package
+    (name "rust-lzma-sys")
+    (version "0.1.15")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "lzma-sys" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "14gyj256yh0wm77jbvmlc39v7lfn0navpfrja4alczarzlc8ir2k"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-cc" ,rust-cc)
+        ("rust-libc" ,rust-libc)
+        ("rust-pkg-config" ,rust-pkg-config))
+        #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'unbundle-xz
+           (lambda* (#:key inputs #:allow-other-keys)
+             (let ((xz (assoc-ref inputs "xz")))
+               (delete-file-recursively "xz-5.2"))
+             #t)))))
+    (inputs
+     `(("pkg-config" ,pkg-config)
+       ("xz" ,xz)))
+    (home-page "https://github.com/alexcrichton/xz2-rs")
+    (synopsis "Bindings to liblzma for lzma and xz stream encoding/decoding")
+    (description
+     "This package contains the raw bindings to liblzma which contains an
+implementation of LZMA and xz stream encoding/decoding.")
+    (license (list license:asl2.0
+                   license:expat))))
+
 (define-public rust-maplit
   (package
     (name "rust-maplit")
@@ -917,6 +1520,53 @@ whether an expression matches a pattern.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-memmap
+  (package
+    (name "rust-memmap")
+    (version "0.7.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "memmap" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0ns7kkd1h4pijdkwfvw4qlbbmqmlmzwlq3g2676dcl5vwyazv1b5"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-libc" ,rust-libc)
+        ("rust-winapi" ,rust-winapi))
+       #:cargo-development-inputs
+       (("rust-tempdir" ,rust-tempdir))))
+    (home-page "https://github.com/danburkert/memmap-rs")
+    (synopsis "Rust library for cross-platform memory mapped IO")
+    (description
+     "This package provides a cross-platform Rust API for memory-mapped
+file IO.")
+    (license (list license:asl2.0
+                   license:expat))))
+
+(define-public rust-memmap-0.6
+  (package
+    (inherit rust-memmap)
+    (name "rust-memmap")
+    (version "0.6.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "memmap" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1zy6s0ni0lx9rjzq3gq2zz9r8zgjmbp02332g3gsj4fyhv4s5zz2"))))
+    (arguments
+     `(#:cargo-inputs
+       (("rust-libc" ,rust-libc)
+        ("rust-winapi" ,rust-winapi))
+       #:cargo-development-inputs
+       (("rust-tempdir" ,rust-tempdir))))))
+
 (define-public rust-mime
   (package
     (name "rust-mime")
@@ -940,6 +1590,110 @@ whether an expression matches a pattern.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-miniz-oxide
+  (package
+    (name "rust-miniz-oxide")
+    (version "0.3.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "miniz_oxide" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "041s41l5w7z8pkp93pdzn8rngxr93q4wxp034pr0cvc7bgway23i"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-adler32" ,rust-adler32))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'fix-tests
+           (lambda _
+             (substitute* "tests/test.rs"
+               (("../miniz/miniz.c") "Cargo.toml"))
+             #t)))))
+    (home-page  "https://github.com/Frommi/miniz_oxide/tree/master/miniz_oxide")
+    (synopsis "Pure rust replacement for the miniz DEFLATE/zlib encoder/decoder")
+    (description
+     "A pure rust replacement for the miniz DEFLATE/zlib encoder/decoder.  Using
+@code{flate2} with the @code{rust_backend} feature provides an easy to use
+streaming API for miniz_oxide.")
+    (license license:expat)))
+
+(define-public rust-miniz-sys
+  (package
+    (name "rust-miniz-sys")
+    (version "0.1.12")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "miniz-sys" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "00l2r4anm8g35x0js2zfdnwfbrih9m43vphdpb77c5ga3kjkm7hy"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-cc" ,rust-cc)
+        ("rust-libc" ,rust-libc))))
+    (home-page "https://github.com/alexcrichton/flate2-rs")
+    (synopsis "Bindings to the miniz.c library")
+    (description
+     "This package provides bindings to the @code{miniz.c} library.")
+    (license (list license:asl2.0
+                   license:expat))))
+
+(define-public rust-miow
+  (package
+    (name "rust-miow")
+    (version "0.3.3")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "miow" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "09ljvx6wg30f2xlv7b7hhpkw7k312n3hjgmrbhwzhz9x03ra0sir"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-socket2" ,rust-socket2)
+        ("rust-winapi" ,rust-winapi))
+       #:cargo-development-inputs
+       (("rust-rand" ,rust-rand))))
+    (home-page "https://github.com/alexcrichton/miow")
+    (synopsis "Rust I/O library for Windows")
+    (description
+     "This package provides a zero overhead I/O library for Windows, focusing on
+IOCP and Async I/O abstractions.")
+    (license (list license:asl2.0
+                   license:expat))))
+
+(define-public rust-miow-0.2
+  (package
+    (inherit rust-miow)
+    (name "rust-miow")
+    (version "0.2.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "miow" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "06g9b8sqlh5gxakwqq4rrib07afwanfnxgxajrldwcgk3hxjy7wc"))))
+    (arguments
+     `(#:cargo-inputs
+       (("rust-kernel32-sys" ,rust-kernel32-sys)
+        ("rust-net2" ,rust-net2)
+        ("rust-winapi" ,rust-winapi-0.2)
+        ("rust-ws2-32-sys" ,rust-ws2-32-sys))
+       #:cargo-development-inputs
+       (("rust-rand" ,rust-rand-0.3))))))
+
 (define-public rust-modifier
   (package
     (name "rust-modifier")
@@ -986,6 +1740,42 @@ types as proposed in RFC 1158.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-netlib-src
+  (package
+    (name "rust-netlib-src")
+    (version "0.7.4")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "netlib-src" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "112hwfw1zzdj10h3j213xxqjrq38iygb3nb3ijay65ycmrg819s4"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-development-inputs
+       (("rust-cmake" ,rust-cmake)
+        ("rust-libc" ,rust-libc))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'use-system-lapack
+           (lambda _
+             (delete-file-recursively "source")
+             (substitute* "Cargo.toml"
+               (("default .*")
+                "default = [\"system\"]\n"))
+             #t)))))
+    (inputs
+     `(("gfortran:lib" ,gfortran "lib")
+       ("lapack" ,lapack)))
+    (home-page "https://github.com/blas-lapack-rs/netlib-src")
+    (synopsis "Source of BLAS and LAPACK via Netlib")
+    (description
+     "The package provides a source of BLAS and LAPACK via Netlib.")
+    (license (list license:asl2.0
+                   license:expat))))
+
 (define-public rust-nodrop
   (package
     (name "rust-nodrop")
@@ -1133,6 +1923,76 @@ implementation (which is unstable / requires nightly).")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-openssl-probe
+  (package
+    (name "rust-openssl-probe")
+    (version "0.1.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "openssl-probe" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1pijrdifgsdwd45b08c2g0dsmnhz7c3kmagb70839ngrd7d29bvp"))))
+    (build-system cargo-build-system)
+    (home-page "https://github.com/alexcrichton/openssl-probe")
+    (synopsis "Find SSL certificate locations")
+    (description
+     "This package provides a tool to find SSL certificate locations on the
+system for OpenSSL.")
+    (license (list license:asl2.0
+                   license:expat))))
+
+(define-public rust-owning-ref
+  (package
+    (name "rust-owning-ref")
+    (version "0.4.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "owning_ref" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "04zgwy77lin8qz398s6g44467pd6kjhbrlqifkia5rkr47mbi929"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-stable-deref-trait" ,rust-stable-deref-trait))))
+    (home-page "https://github.com/Kimundi/owning-ref-rs")
+    (synopsis "Create references that carry their owner with them")
+    (description
+     "This package provides a library for creating references that carry their
+owner with them.  This can sometimes be useful because Rust borrowing rules
+normally prevent moving a type that has been borrowed from.")
+    (license license:expat)))
+
+(define-public rust-parity-wasm
+  (package
+    (name "rust-parity-wasm")
+    (version "0.40.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "parity-wasm" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1p84f0k36q05j18jy66n122lyali794cj78hbxgy9wj6si84plqd"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-development-inputs
+       (("rust-time" ,rust-time))
+       #:tests? #f)) ; Test files are not included in release.
+    (home-page "https://github.com/paritytech/parity-wasm")
+    (synopsis "Low-level WebAssembly format library")
+    (description
+     "This package provides a WebAssembly binary format serialization,
+deserialization, and interpreter in Rust.")
+    (license (list license:asl2.0
+                   license:expat))))
+
 (define-public rust-peeking-take-while
   (package
     (name "rust-peeking-take-while")
@@ -1197,6 +2057,29 @@ algorithm.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-pico-sys
+  (package
+    (name "rust-pico-sys")
+    (version "0.0.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "pico-sys" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1q5pg0ms6szz6b5h26h4k40zb76zbwwjgyigac4wly9qngdj4yl5"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-gcc" ,rust-gcc)
+        ("rust-libc" ,rust-libc))))
+    (home-page "https://github.com/reem/rust-pico-sys")
+    (synopsis "Bindings to the PicoHTTPParser")
+    (description
+     "This package provides bindings to the PicoHTTPParser.")
+    (license license:expat)))
+
 (define-public rust-pin-utils
   (package
     (name "rust-pin-utils")
@@ -1234,7 +2117,7 @@ algorithm.")
        (("rust-lazy-static" ,rust-lazy-static))))
     (inputs
      `(("pkg-config" ,pkg-config)))
-    (home-page "https://github.com/alexcrichton/pkg-config-rs")
+    (home-page "https://github.com/rust-lang/pkg-config-rs")
     (synopsis "Library to run the pkg-config system tool")
     (description
      "A library to run the pkg-config system tool at build time in order to be
@@ -1340,7 +2223,7 @@ for x86.")
             "0nd71fl24sys066jrha6j7i34nfkjv44yzw8yww9742wmc8j0gfg"))))
     (build-system cargo-build-system)
     (arguments
-      `(#:cargo-inputs (("rust-unicode-xid" ,rust-unicode-xid))
+      `(#:cargo-inputs (("rust-unicode-xid" ,rust-unicode-xid-0.1))
         #:cargo-development-inputs (("rust-quote" ,rust-quote))))
     (home-page "https://github.com/alexcrichton/proc-macro2")
     (synopsis "Stable implementation of the upcoming new `proc_macro` API")
@@ -1363,7 +2246,7 @@ in terms of the upstream unstable API.")
          (base32
           "1w6kgwwv7p7zr0yyg5rb315lkk24bimywklwx7fsvsbwi10bjx4j"))))
     (build-system cargo-build-system)
-    (home-page "http://github.com/tailhook/quick-error")
+    (home-page "https://github.com/tailhook/quick-error")
     (synopsis "Macro which makes error types pleasant to write")
     (description "This crate provides a macro which makes error types pleasant
 to write.")
@@ -1392,6 +2275,50 @@ to write.")
     ;; Dual licensed.
     (license (list license:asl2.0 license:expat))))
 
+(define-public rust-rand
+  (package
+    (name "rust-rand")
+    (version "0.4.3")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "rand" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1gfgnqfj2pyh27dcb720jpawskllwnbvxh816ddyykv269xz8ml3"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-fuchsia-zircon" ,rust-fuchsia-zircon)
+        ("rust-libc" ,rust-libc)
+        ("rust-winapi" ,rust-winapi))))
+    (home-page "https://crates.io/crates/rand")
+    (synopsis "Random number generators and other randomness functionality")
+    (description
+     "Rand provides utilities to generate random numbers, to convert them to
+useful types and distributions, and some randomness-related algorithms.")
+    (license (list license:asl2.0
+                   license:expat))))
+
+(define-public rust-rand-0.3
+  (package
+    (inherit rust-rand)
+    (name "rust-rand")
+    (version "0.3.23")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "rand" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0v679h38pjjqj5h4md7v2slsvj6686qgcn7p9fbw3h43iwnk1b34"))))
+    (arguments
+     `(#:cargo-inputs
+       (("rust-libc" ,rust-libc)
+        ("rust-rand" ,rust-rand))))))
+
 (define-public rust-rawpointer
   (package
     (name "rust-rawpointer")
@@ -1413,6 +2340,28 @@ and @code{ptrdistance}.")
     (license (list license:asl2.0
                    license:expat))))
 
+;; This package requires features which are unavailable
+;; on the stable releases of Rust.
+(define-public rust-redox-syscall ; guix upstreamable
+  (package
+    (name "rust-redox-syscall")
+    (version "0.1.56")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "redox_syscall" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "110y7dyfm2vci4x5vk7gr0q551dvp31npl99fnsx2fb17wzwcf94"))))
+    (build-system cargo-build-system)
+    (home-page "https://gitlab.redox-os.org/redox-os/syscall")
+    (synopsis "Rust library to access raw Redox system calls")
+    (description "This package provides a Rust library to access raw Redox
+system calls.")
+    (properties '((hidden? . #t)))
+    (license license:expat)))
+
 (define-public rust-regex-syntax
   (package
     (name "rust-regex-syntax")
@@ -1460,7 +2409,7 @@ and @code{ptrdistance}.")
            ;; The test phase expects there to be a README.md in the root directory.
            (lambda _
              (invoke "touch" "README.md"))))))
-    (home-page "https://github.com/XAMPPRocky/remove_dir_all.git")
+    (home-page "https://github.com/XAMPPRocky/remove_dir_all")
     (synopsis "Implementation of remove_dir_all for Windows")
     (description
      "This package provides a safe, reliable implementation of
@@ -1493,6 +2442,58 @@ and @code{ptrdistance}.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-rustc-demangle
+  (package
+    (name "rust-rustc-demangle")
+    (version "0.1.16")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "rustc-demangle" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "10qp42sl1wrdbgbbh8rnay2grm976z7hqgz32c4y09l1c071qsac"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-compiler-builtins"
+         ,rust-compiler-builtins)
+        ("rust-rustc-std-workspace-core"
+         ,rust-rustc-std-workspace-core))))
+    (home-page "https://github.com/alexcrichton/rustc-demangle")
+    (synopsis "Rust compiler symbol demangling")
+    (description
+     "This package demanges the symbols from the Rust compiler.")
+    (license (list license:asl2.0
+                   license:expat))))
+
+(define-public rust-rustc-serialize
+  (package
+    (name "rust-rustc-serialize")
+    (version "0.3.24")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "rustc-serialize" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1nkg3vasg7nk80ffkazizgiyv3hb1l9g3d8h17cajbkx538jiwfw"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-development-inputs
+       (("rust-rand" ,rust-rand-0.3))))
+    (home-page "https://github.com/rust-lang-deprecated/rustc-serialize")
+    (synopsis "Generic serialization/deserialization support")
+    (description
+     "This package provides generic serialization/deserialization support
+corresponding to the @code{derive(RustcEncodable, RustcDecodable)} mode in the
+compiler.  Also includes support for hex, base64, and json encoding and
+decoding.")
+    (license (list license:asl2.0
+                   license:expat))))
+
 (define-public rust-rustc-std-workspace-core
   (package
     (name "rust-rustc-std-workspace-core")
@@ -1581,6 +2582,34 @@ paths point to the same file.")
 server functionality.")
     (license license:expat)))
 
+(define-public rust-scoped-threadpool
+  (package
+    (name "rust-scoped-threadpool")
+    (version "0.1.9")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "scoped_threadpool" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1a26d3lk40s9mrf4imhbik7caahmw2jryhhb6vqv6fplbbgzal8x"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-development-inputs
+       (("rust-lazy-static" ,rust-lazy-static))))
+    (home-page "https://github.com/Kimundi/scoped-threadpool-rs")
+    (synopsis "library for scoped and cached threadpools")
+    (description
+     "This crate provides a stable, safe and scoped threadpool.  It can be used
+to execute a number of short-lived jobs in parallel without the need to respawn
+the underlying threads.  Jobs are runnable by borrowing the pool for a given
+scope, during which an arbitrary number of them can be executed. These jobs can
+access data of any lifetime outside of the pools scope, which allows working on
+non-'static references in parallel.")
+    (license (list license:asl2.0
+                   license:expat))))
+
 (define-public rust-scoped-tls
   (package
     (name "rust-scoped-tls")
@@ -1697,6 +2726,20 @@ with one of the implemented strategies.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-semver-parser-0.7
+  (package
+    (inherit rust-semver-parser)
+    (name "rust-semver-parser")
+    (version "0.7.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "semver-parser" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "18vhypw6zgccnrlm5ps1pwa0khz7ry927iznpr88b87cagr1v2iq"))))))
+
 (define-public rust-shlex
   (package
     (name "rust-shlex")
@@ -1736,6 +2779,60 @@ words, like Python's shlex.")
 data type.")
     (license license:expat)))
 
+(define-public rust-socket2
+  (package
+    (name "rust-socket2")
+    (version "0.3.11")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "socket2" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "11bdcz04i106g4q7swkll0qxrb4287srqd2k3aq2q6i22zjlvdz8"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-cfg-if" ,rust-cfg-if)
+        ("rust-libc" ,rust-libc)
+        ("rust-redox-syscall" ,rust-redox-syscall)
+        ("rust-winapi" ,rust-winapi))
+       #:cargo-development-inputs
+       (("rust-tempdir" ,rust-tempdir))
+       #:tests? #f)) ; Tests expect network connectivity.
+    (home-page "https://github.com/alexcrichton/socket2-rs")
+    (synopsis "Networking sockets in Rust")
+    (description
+     "This package provides utilities for handling networking sockets with a
+maximal amount of configuration possible intended.")
+    (license (list license:asl2.0
+                   license:expat))))
+
+(define-public rust-sourcefile
+  (package
+    (name "rust-sourcefile")
+    (version "0.1.4")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "sourcefile" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1lwa6973zs4bgj29my7agfjgk4nw9hp6j7dfnr13nid85fw7rxsb"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-development-inputs
+       (("rust-tempfile" ,rust-tempfile))))
+    (home-page "https://github.com/derekdreery/sourcefile-rs")
+    (synopsis "Concatenate source from multiple files")
+    (description
+     "A library for concatenating source from multiple files, whilst keeping
+track of where each new file and line starts.")
+    (license (list license:asl2.0
+                   license:expat))))
+
 (define-public rust-spin
   (package
     (name "rust-spin")
@@ -1749,7 +2846,7 @@ data type.")
          (base32
           "0m9clchsj0rf13bggsgvbv9haiy0f6rhvnvkpvkk8720a5pkydj4"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/mvdnes/spin-rs.git")
+    (home-page "https://github.com/mvdnes/spin-rs")
     (synopsis "Synchronization primitives based on spinning")
     (description "This crate provides synchronization primitives based on
 spinning.  They may contain data, are usable without @code{std},and static
@@ -1780,6 +2877,33 @@ to the same address.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-stacker
+  (package
+    (name "rust-stacker")
+    (version "0.1.5")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "stacker" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0js0axz5nla1mkr2dm2vrv9rj964ng1lrv4l43sqlnfgawplhygv"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-cfg-if" ,rust-cfg-if)
+        ("rust-libc" ,rust-libc)
+        ("rust-winapi" ,rust-winapi)
+        ("rust-cc" ,rust-cc))))
+    (home-page "https://github.com/rust-lang/stacker")
+    (synopsis "Manual segmented stacks for Rust")
+    (description
+     "This package provides a stack growth library useful when implementing
+deeply recursive algorithms that may accidentally blow the stack.")
+    (license (list license:asl2.0
+                   license:expat))))
+
 (define-public rust-stdweb-internal-runtime
   (package
     (name "rust-stdweb-internal-runtime")
@@ -1886,6 +3010,92 @@ and Jaro-Winkler.")
      "This package provides helper test traits for synstructure doctests.")
     (license license:expat)))
 
+(define-public rust-tar
+  (package
+    (name "rust-tar")
+    (version "0.4.26")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "tar" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1lr6v3cpkfxd2lk5ll2jd8wr1xdskwj35smnh5sfb8xvzzxnn6dk"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-filetime" ,rust-filetime)
+        ("rust-libc" ,rust-libc)
+        ("rust-redox-syscall" ,rust-redox-syscall)
+        ("rust-xattr" ,rust-xattr))
+       #:cargo-development-inputs
+       (("rust-tempdir" ,rust-tempdir))
+       #:tests? #f)) ; Test archives are not distributed in the crate tarball.
+    (home-page "https://github.com/alexcrichton/tar-rs")
+    (synopsis "Tar file reading/writing for Rust")
+    (description
+     "This package provides a Rust implementation of a TAR file reader and
+writer.  This library does not currently handle compression, but it is abstract
+over all I/O readers and writers.  Additionally, great lengths are taken to
+ensure that the entire contents are never required to be entirely resident in
+memory all at once.")
+    (license (list license:asl2.0
+                   license:expat))))
+
+(define-public rust-tempdir
+  (package
+    (name "rust-tempdir")
+    (version "0.3.7")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "tempdir" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1n5n86zxpgd85y0mswrp5cfdisizq2rv3la906g6ipyc03xvbwhm"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-rand" ,rust-rand)
+        ("rust-remove-dir-all" ,rust-remove-dir-all))))
+    (home-page "https://github.com/rust-lang-deprecated/tempdir")
+    (synopsis "Temporary directory management for Rust")
+    (description
+     "This package provides a library for managing a temporary directory and
+deleting all contents when it's dropped.")
+    (license (list license:asl2.0
+                   license:expat))))
+
+(define-public rust-tempfile
+  (package
+    (name "rust-tempfile")
+    (version "3.0.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "tempfile" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0ny1cdbcsrmwjpy4k9366xm6p0jqkrmrvr0cln2djxspp1inyxs7"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-libc" ,rust-libc)
+        ("rust-rand" ,rust-rand)
+        ("rust-redox-syscall" ,rust-redox-syscall)
+        ("rust-remove-dir-all" ,rust-remove-dir-all)
+        ("rust-winapi" ,rust-winapi))))
+    (home-page "http://stebalien.com/projects/tempfile-rs")
+    (synopsis "Library for managing temporary files and directories")
+    (description
+     "This package provides a library for managing temporary files and
+directories.")
+    (license (list license:asl2.0
+                   license:expat))))
+
 (define-public rust-termcolor
   (package
     (name "rust-termcolor")
@@ -1933,6 +3143,32 @@ bindings are a small wrapper around the raw C functions, which converts integer
 return values to @code{std::io::Result} to indicate success or failure.")
     (license license:expat)))
 
+(define-public rust-thread-id
+  (package
+    (name "rust-thread-id")
+    (version "3.3.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "thread-id" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1h90v19fjz3x9b25ywh68z5yf2zsmm6h5zb4rl302ckbsp4z9yy7"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-libc" ,rust-libc)
+        ("rust-redox-syscall" ,rust-redox-syscall)
+        ("rust-winapi" ,rust-winapi))))
+    (home-page "https://github.com/ruuda/thread-id")
+    (synopsis "Get a unique ID for the current thread in Rust")
+    (description
+     "For diagnostics and debugging it can often be useful to get an ID that is
+different for every thread.")
+    (license (list license:asl2.0
+                   license:expat))))
+
 (define-public rust-thread-local
   (package
     (name "rust-thread-local")
@@ -1979,6 +3215,37 @@ fixed set of worker threads.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-time
+  (package
+    (name "rust-time")
+    (version "0.1.39")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "time" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "161hqx0gw722ikydanpahky447vaxqncwmkj66rny282vzqpalx1"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-libc" ,rust-libc)
+        ("rust-redox-syscall" ,rust-redox-syscall)
+        ("rust-rustc-serialize" ,rust-rustc-serialize)
+        ("rust-winapi" ,rust-winapi))
+       #:cargo-development-inputs
+       (("rust-log" ,rust-log)
+        ("rust-winapi" ,rust-winapi))
+       #:tests? #f)) ; Tests have difficulty with the timezones.
+    (home-page "https://github.com/rust-lang-deprecated/time")
+    (synopsis "Simple time handling in Rust")
+    (description
+     "This package provides utilities for working with time-related functions
+in Rust.")
+    (license (list license:asl2.0
+                   license:expat))))
+
 (define-public rust-tokio-mock-task
   (package
     (name "rust-tokio-mock-task")
@@ -2035,7 +3302,7 @@ fixed set of worker threads.")
          (base32
           "0yb0n8822mr59j200fyr2fxgzzgqljyxflx9y8bdy3rlaqngilgg"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/reem/rust-traitobject.git")
+    (home-page "https://github.com/reem/rust-traitobject")
     (synopsis "Unsafe helpers for dealing with raw trait objects")
     (description "Unsafe helpers for dealing with raw trait objects.")
     (license (list license:asl2.0
@@ -2232,7 +3499,7 @@ with the Unicode character database.")
 (define-public rust-unicode-xid
   (package
     (name "rust-unicode-xid")
-    (version "0.1.0")
+    (version "0.2.0")
     (source
       (origin
         (method url-fetch)
@@ -2240,8 +3507,8 @@ with the Unicode character database.")
         (file-name
           (string-append name "-" version ".tar.gz"))
         (sha256
-          (base32
-            "1z57lqh4s18rr4x0j4fw4fmp9hf9346h0kmdgqsqx0fhjr3k0wpw"))))
+         (base32
+          "0z09fn515xm7zyr0mmdyxa9mx2f7azcpv74pqmg611iralwpcvl2"))))
     (build-system cargo-build-system)
     (home-page
       "https://github.com/unicode-rs/unicode-xid")
@@ -2251,6 +3518,20 @@ or XID_Continue properties according to Unicode Standard Annex #31.")
     ;; Dual licensed.
     (license (list license:asl2.0 license:expat))))
 
+(define-public rust-unicode-xid-0.1
+  (package
+    (inherit rust-unicode-xid)
+    (name "rust-unicode-xid")
+    (version "0.1.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "unicode-xid" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1z57lqh4s18rr4x0j4fw4fmp9hf9346h0kmdgqsqx0fhjr3k0wpw"))))))
+
 (define-public rust-unindent
   (package
     (name "rust-unindent")
@@ -2313,6 +3594,32 @@ whitespace from a string.")
 untrusted inputs in Rust.")
     (license license:isc)))
 
+(define-public rust-vcpkg
+  (package
+    (name "rust-vcpkg")
+    (version "0.2.7")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "vcpkg" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "15dzk1b96q946v9aisbd1bbhi33n93wvgziwh1shmscn1xflbp9k"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-development-inputs
+       (("rust-lazy-static" ,rust-lazy-static)
+        ("rust-tempdir" ,rust-tempdir))
+       #:tests? #f)) ; tests try to link libmysql, graphite2, harfbuzz
+    (home-page "https://github.com/mcgoo/vcpkg-rs")
+    (synopsis "Find native dependencies in a vcpkg tree at build time")
+    (description
+     "This package provides a library to find native dependencies in a
+@code{vcpkg} tree at build time in order to be used in Cargo build scripts.")
+    (license (list license:asl2.0
+                   license:expat))))
+
 (define-public rust-version-check
   (package
     (name "rust-version-check")
@@ -2364,7 +3671,7 @@ If that fails, no determination is made, and calls return None.")
          (base32
           "0zc8f0ksxvmhvgx4fdg0zyn6vdnbxd2xv9hfx4nhzg6kbs4f80ka"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/reem/rust-void.git")
+    (home-page "https://github.com/reem/rust-void")
     (synopsis "Void type for use in statically impossible cases")
     (description
      "The uninhabited void type for use in statically impossible cases.")
@@ -2698,6 +4005,33 @@ color in a Windows console.")
      "Contains function definitions for the Windows API library ws2_32.")
     (license license:expat)))
 
+(define-public rust-xattr
+  (package
+    (name "rust-xattr")
+    (version "0.2.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "xattr" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0k556fb6f5jc907975j9c8iynl2fqz3rf0w6fiig83i4yi0kfk14"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-libc" ,rust-libc))
+       #:cargo-development-inputs
+       (("rust-tempfile" ,rust-tempfile))
+       #:tests? #f)) ; Tests assume read access to /var.
+    (home-page "https://github.com/Stebalien/xattr")
+    (synopsis "Unix extended filesystem attributes")
+    (description
+     "This package provide a small library for setting, getting, and listing
+extended attributes.")
+    (license (list license:asl2.0
+                   license:expat))))
+
 (define-public rust-xdg
   (package
     (name "rust-xdg")