structuredAttrs is enabled

trying https://static.crates.io/crates/aws-smithy-runtime-api-macros/1.0.0/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100   6383 100   6383   0      0 407.0k      0                              0