gnu: rust-remove-dir-all-0.5: Update to 0.5.3.

* gnu/packages/crates-io.scm (rust-remove-dir-all-0.5): Update to 0.5.3.
[source]: Add snippet to replace doctest with test.
[arguments]: Don't skip build.

gnu/packages/crates-io.scm

@@ -19736,19 +19736,25 @@ uses finite automata and guarantees linear time matching on all inputs.")
 (define-public rust-remove-dir-all-0.5
   (package
     (name "rust-remove-dir-all")
-    (version "0.5.2")
+    (version "0.5.3")
     (source
       (origin
         (method url-fetch)
         (uri (crate-uri "remove_dir_all" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name (string-append name "-" version ".tar.gz"))
         (sha256
          (base32
-          "0bkrlyg26mgizpiy1yb2hhpgscxcag8r5fnckqsvk25608vzm0sa"))))
+          "1rzqbsgkmr053bxxl04vmvsd1njyz0nxvly97aip6aa2cmb15k9s"))
+       (modules '((guix build utils)))
+       (snippet
+        '(begin
+           ;; 'doctest' isn't stable until rust-1.40
+           (substitute* "src/lib.rs"
+             (("\\(doctest") "(test"))
+           #t))))
     (build-system cargo-build-system)
     (arguments
-     `(#:skip-build? #t
-       #:cargo-inputs
+     `(#:cargo-inputs
        (("rust-winapi" ,rust-winapi-0.3))
        #:cargo-development-inputs
        (("rust-doc-comment" ,rust-doc-comment-0.3))))