structuredAttrs is enabled

trying https://static.crates.io/crates/sonic-number/0.1.1/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed

  0      0   0      0   0      0      0      0                              0
100  39570 100  39570   0      0  2.01M      0                              0
100  39570 100  39570   0      0  2.00M      0                              0
100  39570 100  39570   0      0  1.99M      0                              0