structuredAttrs is enabled

trying https://static.crates.io/crates/ed25519/3.0.0-rc.4/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  19516 100  19516   0      0  1.03M      0                              0
100  19516 100  19516   0      0  1.03M      0                              0
100  19516 100  19516   0      0  1.02M      0                              0