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

  0      0   0      0   0      0      0      0                              0
100  28159 100  28159   0      0 500.3k      0                              0
100  28159 100  28159   0      0 499.7k      0                              0
100  28159 100  28159   0      0 499.1k      0                              0