From 0e074cc22d75fea963f8a7ba7231a5cbf99e0c07 Mon Sep 17 00:00:00 2001
From: Valentin Ignatev <valentignatev@gmail.com>
Date: Wed, 15 Jan 2020 03:40:42 +0300
Subject: gnu: Add rust-spin-0.4.

* gnu/packages/crates-io.scm (rust-spin-0.4): New variable.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>
---
 gnu/packages/crates-io.scm | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index bb97a447aa..9e6d0bc4b3 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -11804,6 +11804,22 @@ spinning.  They may contain data, are usable without @code{std},and static
 initializers are available.")
     (license license:expat)))
 
+(define-public rust-spin-0.4
+  (package
+    (inherit rust-spin-0.5)
+    (name "rust-spin")
+    (version "0.4.10")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "spin" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "07ywqn1vrpi3c43fmvsx7pawk9h3rb77yyqbnhap2micl454kb6f"))))
+    (arguments '(#:skip-build? #t))))
+
 (define-public rust-stable-deref-trait-1.1
   (package
     (name "rust-stable-deref-trait")
-- 
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