structuredAttrs is enabled

trying https://static.crates.io/crates/extism-convert-macros/1.30.0/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100   4993 100   4993   0      0   9249      0                              0