this derivation will be built:
  /nix/store/kwy20sry9riyb4hafby0gwl6dqf0llrp-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/kwy20sry9riyb4hafby0gwl6dqf0llrp-bcachefs-module-7.0.0-30-generic.drv'...