message: fmt&Update Code
diff: @@ -46,7 +46,7 @@ pub fn main(config: &mut Config) -> CliResult {
  // Global args need to be extracted before expanding aliases because the
  // clap code for extracting a subcommand discards global options
  // (appearing before the subcommand).
  - let (expanded_args, global_args) = expand_aliases(config, args)?;
  + let (expanded_args, global_args) = expand_aliases(config, args, vec![])?;
  if expanded_args.value_of("unstable-features") == Some("help") {
  let options = CliUnstable::help();
  