structuredAttrs is enabled

trying https://static.crates.io/crates/pkcs1/0.8.0-rc.5/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  38420 100  38420   0      0  1.29M      0                              0
100  38420 100  38420   0      0  1.28M      0                              0
100  38420 100  38420   0      0  1.28M      0                              0