structuredAttrs is enabled

trying https://static.crates.io/crates/protox/0.10.0/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  43266 100  43266   0      0 980.4k      0                              0
100  43266 100  43266   0      0 979.7k      0                              0
100  43266 100  43266   0      0 978.6k      0                              0