message: support::git::Repository doesn't support .cargo (yet?)
diff: @@ -506,8 +506,9 @@ fn no_duplicates_from_modified_tracked_files() {
  .unwrap()
  .write_all(br#"fn main() { println!("A change!"); }"#)
  .unwrap();
  - p.cargo("build").run();
  - p.cargo("package --list --allow-dirty")
  + cargo_process("build").cwd(p.root()).run();
  + cargo_process("package --list --allow-dirty")
  + .cwd(p.root())
  .with_stdout(
  "\
  Cargo.toml
  