structuredAttrs is enabled

trying https://static.crates.io/crates/syn/2.0.118/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100 298.3k 100 298.3k   0      0  5.55M      0                              0