message: Fixed failing read-metadata test due to addition of description.
diff: @@ -11,6 +11,7 @@ static MANIFEST_OUTPUT: &'static str = r#"
  "id":"foo[..]0.5.0[..](path+file://[..]/foo)",
  "license": null,
  "license_file": null,
  + "description": null,
  "source":null,
  "dependencies":[],
  "targets":[{
  