structuredAttrs is enabled

trying https://static.crates.io/crates/impl-trait-for-tuples/0.2.3/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100  16398 100  16398   0      0 374.9k      0                              0