structuredAttrs is enabled

trying https://static.crates.io/crates/regalloc2/0.9.3/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100 118.0k 100 118.0k   0      0  1.94M      0                              0