structuredAttrs is enabled

trying https://github.com/esengine/DeepSeek-Reasonix/archive/refs/tags/v1.17.21.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  9.45M   0  9.45M   0      0  7.69M      0           00:01          8.89M
unpacking source archive /nix/var/nix/builds/nix-49614-327374567/download.tar.gz