structuredAttrs is enabled

trying https://static.crates.io/crates/darling_core/darling_core-0.21.3.crate
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100  74471 100  74471   0      0  1.27M      0                              0