structuredAttrs is enabled

trying https://github.com/esengine/DeepSeek-Reasonix/archive/refs/tags/v1.17.16.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  8.74M   0  8.74M   0      0  6.89M      0           00:01          8.05M
unpacking source archive /nix/var/nix/builds/nix-1593-1562253044/download.tar.gz