message: Change Nope variant to NoResults
  The webpage looks the same but it makes _me_ feel better at least
diff: @@ -248,6 +248,6 @@ pub fn source_browser_handler(req: &mut Request) -> IronResult<Response> {
  .set_bool("file_content_rust_source", is_rust_source)
  .to_resp("source")
  } else {
  - Err(IronError::new(Nope::CrateNotFound, status::NotFound))
  + Err(IronError::new(Nope::NoResults, status::NotFound))
  }
  }
  