message: tests/git: avoid an unused import
diff: @@ -17,7 +17,6 @@ use cargotest::support::paths::{self, CargoPathExt};
  use cargotest::support::{git, project, execs, main_file, path2url};
  use cargotest::ChannelChanger;
  use hamcrest::{assert_that,existing_file};
  -use hamcrest::matchers::regex::matches_regex;
  #[test]
  fn cargo_compile_simple_git_dep() {
  