gnu: Add rust-bytecheck-derive-0.5.

* gnu/packages/crates-io.scm (rust-bytecheck-derive-0.5): New variable.

gnu/packages/crates-io.scm

@@ -19,6 +19,7 @@
 ;;; Copyright © 2021 Maxim Cournoyer <maxim.cournoyer@gmail.com>
 ;;; Copyright © 2021 Vinicius Monego <monego@posteo.net>
 ;;; Copyright © 2021 Petr Hodina <phodina@protonmail.com>
+;;; Copyright © 2021 Ricardo Wurmus <rekado@elephly.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -6830,6 +6831,29 @@ memory usage.")
      "This package provides a library for interaction with units of bytes.")
     (license license:expat)))
 
+(define-public rust-bytecheck-derive-0.5
+  (package
+    (name "rust-bytecheck-derive")
+    (version "0.5.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "bytecheck_derive" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "0grbkwwv5j91n7zrimci6fh4k79flxga3mkjg50jysnyraizi088"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-proc-macro2" ,rust-proc-macro2-1)
+        ("rust-quote" ,rust-quote-1)
+        ("rust-syn" ,rust-syn-1))))
+    (home-page "https://github.com/rkyv/bytecheck")
+    (synopsis "Derive macro for bytecheck")
+    (description "This package provides a Derive macro for bytecheck, the type
+validation framework for Rust.")
+    (license license:expat)))
+
 (define-public rust-bytecount-0.6
   (package
     (name "rust-bytecount")