structuredAttrs is enabled

trying https://static.crates.io/crates/objc2-io-kit/0.3.2/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100 256.4k 100 256.4k   0      0 10.31M      0                              0