structuredAttrs is enabled

trying https://static.crates.io/crates/wasm-bindgen-test/0.3.78/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100  51113 100  51113   0      0 968.5k      0                              0