gnu: Add rust-insta-0.16.

* gnu/packages/crates-io.scm (rust-insta-0.16): New variable.
(rust-insta-0.8): Inherit from rust-insta-0.16.

gnu/packages/crates-io.scm

@@ -11015,8 +11015,40 @@ (define-public rust-inotify-sys-0.1
      "This package provides inotify bindings for the Rust programming language.")
     (license license:isc)))
 
+(define-public rust-insta-0.16
+  (package
+    (name "rust-insta")
+    (version "0.16.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "insta" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1vhqlirp75nx8qalz87qk2wjs7mzwxww0n09n2ircgw1phd94zk1"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-backtrace" ,rust-backtrace-0.3)
+        ("rust-console" ,rust-console-0.11)
+        ("rust-difference" ,rust-difference-2)
+        ("rust-globwalk" ,rust-globwalk-0.8)
+        ("rust-lazy-static" ,rust-lazy-static-1)
+        ("rust-pest" ,rust-pest-2)
+        ("rust-pest-derive" ,rust-pest-derive-2)
+        ("rust-ron" ,rust-ron-0.5)
+        ("rust-serde" ,rust-serde-1)
+        ("rust-serde-json" ,rust-serde-json-1)
+        ("rust-serde-yaml" ,rust-serde-yaml-0.8))))
+    (home-page "https://github.com/mitsuhiko/insta")
+    (synopsis "Snapshot testing library for Rust")
+    (description "This package provides a snapshot testing library for Rust.")
+    (license license:asl2.0)))
+
 (define-public rust-insta-0.8
   (package
+    (inherit rust-insta-0.16)
     (name "rust-insta")
     (version "0.8.1")
     (source
@@ -11028,7 +11060,6 @@ (define-public rust-insta-0.8
        (sha256
         (base32
          "17rvqw9xm61prncbqi3cplphr3l2dl85sljdpyr3fz2mqjgbdfwb"))))
-    (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
@@ -11044,12 +11075,7 @@ (define-public rust-insta-0.8
         ("rust-serde" ,rust-serde-1)
         ("rust-serde-json" ,rust-serde-json-1)
         ("rust-serde-yaml" ,rust-serde-yaml-0.8)
-        ("rust-uuid" ,rust-uuid-0.7))))
-    (home-page "https://github.com/mitsuhiko/insta")
-    (synopsis "Snapshot testing library for Rust")
-    (description
-     "This package provides a snapshot testing library for Rust.")
-    (license license:asl2.0)))
+        ("rust-uuid" ,rust-uuid-0.7))))))
 
 (define-public rust-instant-0.1
   (package