structuredAttrs is enabled

trying https://github.com/esengine/DeepSeek-Reasonix/archive/refs/tags/v1.19.1.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  9.82M   0  9.82M   0      0  6.57M      0           00:01          7.78M
unpacking source archive /nix/var/nix/builds/nix-31840-808928400/download.tar.gz