message: fix running doctest for host target
diff: @@ -144,7 +144,7 @@ fn run_doc_tests(
  let mut runtool: &Option<(std::path::PathBuf, Vec<String>)> = &None;
  if doctest_xcompile {
  runtool = compilation.target_runner();
  - } else if options.compile_opts.build_config.requested_kind.is_host() {
  + } else if !options.compile_opts.build_config.requested_kind.is_host() {
  return Ok((Test::Doc, errors));
  }
  