this derivation will be built:
  /nix/store/fp7ri3zp32yblqwb6gh8rws3iwi2s23r-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/fp7ri3zp32yblqwb6gh8rws3iwi2s23r-bcachefs-module-7.0.0-39-generic.drv'...