structuredAttrs is enabled

trying https://static.crates.io/crates/modular-bitfield-impl/0.13.1/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100  16726 100  16726   0      0 360.7k      0                              0