gnu: Add rust-iso8601-0.1.

* gnu/packages/crates-io.scm (rust-iso8601-0.1): New variable.

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

gnu/packages/crates-io.scm

@@ -5167,6 +5167,29 @@ immutable interval tree.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-iso8601-0.1
+  (package
+    (name "rust-iso8601")
+    (version "0.1.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "iso8601" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0xy48qyfmirslaj4dy6n4g8b564jap3cjiql35fmj5vgii7ldp0i"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-clippy" ,rust-clippy-0.0)
+        ("rust-nom" ,rust-nom-1.2))))
+    (home-page "https://github.com/badboy/iso8601")
+    (synopsis "Parsing ISO8601 dates using nom")
+    (description "Parsing ISO8601 dates using nom.")
+    (license license:expat)))
+
 (define-public rust-itertools-0.8
   (package
     (name "rust-itertools")