this derivation will be built:
  /nix/store/wrgmrx32mrz7f4v20k8zd43865zlixlz-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/wrgmrx32mrz7f4v20k8zd43865zlixlz-bcachefs-module-7.0.0-39-generic.drv'...