message: alsp print join-error when webserver panicked
diff: @@ -128,7 +128,7 @@ pub fn start_daemon<C: Context + Send + Clone + 'static>(
  // instead it will get killed when the process exits.
  webserver_thread
  .join()
  - .map_err(|_| anyhow!("web server panicked"))?
  + .map_err(|err| anyhow!("web server panicked: {:?}", err))?
  }
  pub(crate) fn cron<F>(name: &'static str, interval: Duration, exec: F) -> Result<(), Error>
  