structuredAttrs is enabled

trying https://static.crates.io/crates/libmimalloc-sys/0.1.44/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed

  0      0   0      0   0      0      0      0                              0
100 441.0k 100 441.0k   0      0 17.85M      0                              0
100 441.0k 100 441.0k   0      0 17.79M      0                              0
100 441.0k 100 441.0k   0      0 17.73M      0                              0