structuredAttrs is enabled

trying https://github.com/esengine/DeepSeek-Reasonix/archive/refs/tags/v1.18.0.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  9.81M   0  9.81M   0      0  7.33M      0           00:01          8.66M
unpacking source archive /nix/var/nix/builds/nix-12260-3477345105/download.tar.gz