structuredAttrs is enabled

trying https://static.crates.io/crates/num-rational/0.4.2/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100  28159 100  28159   0      0   3551      0   00:07   00:07              0