structuredAttrs is enabled

trying https://static.crates.io/crates/reqsign-core/3.0.1/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100  28862 100  28862   0      0  1.70M      0                              0