gnu: Add rust-scroll-0.9.

* gnu/packages/crates-io.scm (rust-scroll-0.9): New variable.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

gnu/packages/crates-io.scm

@@ -5379,6 +5379,35 @@ with one of the implemented strategies.")
          (base32
           "09sy9wbqp409pkwmqni40qmwa99ldqpl48pp95m1xw8sc19qy9cl"))))))
 
+(define-public rust-scroll-0.9
+  (package
+    (name "rust-scroll")
+    (version "0.9.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "scroll" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "10q3w86bn22xrjlfg1c90dfi9c26qjkzn26nad0i9z8pxwad311g"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-scroll-derive" ,rust-scroll-derive-0.9))
+       #:cargo-development-inputs
+       (("rust-byteorder" ,rust-byteorder-1.3)
+        ("rust-rayon" ,rust-rayon-1.1)
+        ("rust-rustc-version" ,rust-rustc-version-0.2))))
+    (home-page "https://github.com/m4b/scroll")
+    (synopsis "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-derive-0.9
   (package
     (name "rust-scroll-derive")