structuredAttrs is enabled

trying https://static.crates.io/crates/object/0.39.1/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100 351.9k 100 351.9k   0      0 15.25M      0                              0