structuredAttrs is enabled

trying https://static.crates.io/crates/syn/syn-1.0.109.crate
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100 232.0k 100 232.0k   0      0  5.17M      0                              0