message: update main, metrics settings not used for now
diff: @@ -25,6 +25,7 @@ async fn main() {
  api: api_settings,
  log: log_settings,
  model: model_settings,
  + metrics: _metrics_settings,
  } = Settings::new(opt.config_path).unwrap_or_else(|err| {
  eprintln!("{}", err);
  process::exit(1);
  