structuredAttrs is enabled

trying https://static.crates.io/crates/base64-simd/0.8.0/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100  12531 100  12531   0      0 790.0k      0                              0