structuredAttrs is enabled

trying https://static.crates.io/crates/matrixmultiply/0.3.10/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100  58170 100  58170   0      0  3.08M      0                              0