message: Remove clone()
diff: @@ -469,7 +469,7 @@ impl Config {
  self.no_fail_fast |= other.no_fail_fast;
  if other.test_timeout != default_test_timeout() {
  - self.test_timeout = other.test_timeout.clone();
  + self.test_timeout = other.test_timeout;
  }
  if self.profile.is_none() && other.profile.is_some() {
  