message: Remove testing debug message
diff: @@ -200,8 +200,12 @@ impl Message {
  };
  (str) => {
  if let Some(next) = tokens[token_index].take() {
  + #[allow(unused)]
  + {
  + // this isn't actually unused, but it's
  + // difficult for the compiler to infer this.
  token_index += 1;
  - dbg!(&token_index);
  + }
  next
  } else {
  log::error!(
  