structuredAttrs is enabled

trying https://archives.boost.io/release/1.91.0/source/boost_1_91_0.tar.bz2
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100 195.1M 100 195.1M   0      0 42.26M      0   00:04   00:04         45.66M