gnu: Add rust-num-bigint-0.2.

* gnu/packages/crates-io.scm (rust-num-bigint-0.2): New variable.

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

gnu/packages/crates-io.scm

@@ -8641,6 +8641,37 @@ combinators library.")
       ;; This is an ancient version and all inputs are optional.
      `(#:skip-build? #t))))
 
+(define-public rust-num-bigint-0.2
+  (package
+    (name "rust-num-bigint")
+    (version "0.2.6")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "num-bigint" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "015k3wixdi4w698sappvy43pf8bvkw0f88xplmdgc3zfk2cpy309"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-num-integer" ,rust-num-integer-0.1)
+        ("rust-num-traits" ,rust-num-traits-0.2)
+        ("rust-quickcheck" ,rust-quickcheck-0.8)
+        ("rust-quickcheck-macros" ,rust-quickcheck-macros-0.8)
+        ("rust-rand" ,rust-rand-0.5)
+        ("rust-serde" ,rust-serde-1.0)
+        ("rust-autocfg" ,rust-autocfg-1.0))
+       #:cargo-development-inputs
+       (("rust-serde-test" ,rust-serde-test-1.0))))
+    (home-page "https://github.com/rust-num/num-bigint")
+    (synopsis "Big integer implementation for Rust")
+    (description
+     "Big integer implementation for Rust.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-num-complex-0.2
   (package
     (name "rust-num-complex")