message: Fix annotations matching themselves
diff: @@ -257,6 +257,9 @@ pub fn check_annotations(
  comments: &Comments,
  ) {
  let unnormalized_stderr = std::str::from_utf8(unnormalized_stderr).unwrap();
  + // erase annotations from the stderr so they don't match themselves
  + let annotations = Regex::new(r"\s*//~.*").unwrap();
  + let unnormalized_stderr = annotations.replace(unnormalized_stderr, "");
  let mut found_annotation = false;
  if let Some((ref error_pattern, definition_line)) = comments.error_pattern {
  if !unnormalized_stderr.contains(error_pattern) {
  