structuredAttrs is enabled

trying https://github.com/llvm/llvm-project/archive/llvmorg-21.1.8.tar.gz
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
  0      0   0      0   0      0      0      0                              0
100 231.5M   0 231.5M   0      0  5.63M      0           00:41          6.33M
unpacking source archive /build/download.tar.gz