structuredAttrs is enabled

trying https://static.crates.io/crates/arrow-ipc/55.2.0/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100 113.3k 100 113.3k   0      0 266.8k      0                              0