structuredAttrs is enabled

trying https://static.crates.io/crates/rkyv_derive/0.8.14/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100  22652 100  22652   0      0 711.8k      0                              0