structuredAttrs is enabled

trying https://static.crates.io/crates/serial2/0.2.34/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  35396 100  35396   0      0 970.2k      0                              0
100  35396 100  35396   0      0 968.7k      0                              0
100  35396 100  35396   0      0 967.4k      0                              0