this derivation will be built:
  /nix/store/k6m71nkjbrmb26kkz1wm0zd03wxg3l1l-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/k6m71nkjbrmb26kkz1wm0zd03wxg3l1l-bcachefs-module-7.0.0-38-generic.drv'...