structuredAttrs is enabled

trying https://static.crates.io/crates/serde_html_form/0.4.1/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100  20878 100  20878   0      0 541.7k      0                              0