structuredAttrs is enabled

trying https://static.crates.io/crates/zvariant_derive/5.15.0/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  10697 100  10697   0      0 307.4k      0                              0
100  10697 100  10697   0      0 306.4k      0                              0
100  10697 100  10697   0      0 305.2k      0                              0