message: handle docs that don't use spaces in doc comments
diff: @@ -260,8 +260,10 @@ fn read_rust_doc(file_path: &Path) -> Result<Option<String>> {
  for line in reader.lines() {
  let line = try!(line);
  if line.starts_with("//!") {
  - if line.len() > 3 {
  - rustdoc.push_str(line.split_at(4).1);
  + // some lines may or may not have a space between the `//!` and the start of the text
  + let line = line.trim_start_matches("//!").trim_start();
  + if !line.is_empty() {
  + rustdoc.push_str(line);
  }
  rustdoc.push('\n');
  }
  