cargo-edit: disable impure check

pkgs/tools/package-management/cargo-edit/default.nix

@@ -19,6 +19,8 @@ rustPlatform.buildRustPackage rec {
   buildInputs = lib.optional (!stdenv.isDarwin) openssl;
   propagatedBuildInputs = lib.optional stdenv.isDarwin darwin.apple_sdk.frameworks.Security;
 
+  patches = [ ./disable-network-based-test.patch ];
+
   meta = with lib; {
     description = "A utility for managing cargo dependencies from the command line";
     homepage = https://github.com/killercup/cargo-edit;

pkgs/tools/package-management/cargo-edit/disable-network-based-test.patch

@@ -0,0 +1,10 @@
+--- cargo-edit.org/tests/cargo-upgrade.rs	2018-09-11 20:59:04.609532299 +0100
++++ cargo-edit/tests/cargo-upgrade.rs	2018-09-11 20:59:50.829435331 +0100
+@@ -302,6 +302,7 @@
+ }
+ 
+ #[test]
++#[ignore] // requires network
+ fn upgrade_prints_messages() {
+     let (_tmpdir, manifest) = clone_out_test("tests/fixtures/upgrade/Cargo.toml.source");
+