gnu: Add rust-data-url-0.1.

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

gnu/packages/crates-io.scm

@@ -3778,6 +3778,33 @@ attributes.")
 hexadecimal, base32, and base64.")
     (license license:expat)))
 
+(define-public rust-data-url-0.1
+  (package
+    (name "rust-data-url")
+    (version "0.1.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "data-url" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "176wa1n8h71iwyaxhar4sqwrgrvb5sxk26az0fy88vnxrsffjgyk"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-matches" ,rust-matches-0.1))
+       #:cargo-development-inputs
+       (("rust-rustc-test" ,rust-rustc-test-0.3)
+        ("rust-serde" ,rust-serde-1.0)
+        ("rust-serde-json" ,rust-serde-json-1.0))))
+    (home-page "https://github.com/servo/rust-url")
+    (synopsis "Processing of data: URL according to WHATWG's Fetch Standard")
+    (description
+     "Processing of data: URL according to WHATWG's Fetch Standard.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-datetime-0.4
   (package
     (name "rust-datetime")