message: Resolve a needless_return lint warning
diff: @@ -127,11 +127,11 @@ pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
  );
  let err = ops::run_tests(&ws, &ops, &test_args)?;
  - return match err {
  + match err {
  None => Ok(()),
  Some(err) => Err(match err.exit.as_ref().and_then(|e| e.code()) {
  Some(i) => CliError::new(format_err!("{}", err.hint(&ws)), i),
  None => CliError::new(err.into(), 101),
  }),
  - };
  + }
  }
  