gnu: Add rust-fd-lock-3.

* gnu/packages/crates-io.scm (rust-fd-lock-3): New variable.
(rust-fd-lock-2): Inherit from above.

gnu/packages/crates-io.scm

@@ -15890,8 +15890,34 @@ floats.")
      "This package provides a simple and fast random number generator.")
     (license (list license:asl2.0 license:expat))))
 
+(define-public rust-fd-lock-3
+  (package
+    (name "rust-fd-lock")
+    (version "3.0.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "fd-lock" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "0dif8wk9xrqkjyfgqqy3zfg4ckmkpyzzk5p5m01s99q63bcnv05q"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-cfg-if" ,rust-cfg-if-1)
+        ("rust-libc" ,rust-libc-0.2)
+        ("rust-winapi" ,rust-winapi-0.3))))
+    (home-page "https://github.com/yoshuawuyts/fd-lock")
+    (synopsis "Advisory lock on a file")
+    (description
+     "Fd-lock provides an advisory lock on a file using a file descriptor to
+it.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-fd-lock-2
   (package
+    (inherit rust-fd-lock-3)
     (name "rust-fd-lock")
     (version "2.0.0")
     (source
@@ -15901,18 +15927,11 @@ floats.")
        (file-name (string-append name "-" version ".tar.gz"))
        (sha256
         (base32 "01kzrikg3a60lxmr0k8bbm4nggh6693f1pf530ip136qzwpg0400"))))
-    (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
        (("rust-libc" ,rust-libc-0.2)
-        ("rust-winapi" ,rust-winapi-0.3))))
+        ("rust-winapi" ,rust-winapi-0.3))))))
-    (home-page "https://github.com/yoshuawuyts/fd-lock")
-    (synopsis "Advisory lock on a file")
-    (description
-     "Fd-lock provides an advisory lock on a file using a file descriptor to
-it.")
-    (license (list license:expat license:asl2.0))))
 
 (define-public rust-femme-2
   (package