structuredAttrs is enabled

trying https://static.crates.io/crates/datafusion-datasource-arrow/53.1.0/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100  33178 100  33178   0      0  2.04M      0                              0