structuredAttrs is enabled

trying https://static.crates.io/crates/libmimalloc-sys/0.1.49/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100 488.4k 100 488.4k   0      0 17.88M      0                              0