this derivation will be built:
  /nix/store/7q8qd2r515jn4bs8rsq5h2xgd3hgna5s-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/7q8qd2r515jn4bs8rsq5h2xgd3hgna5s-bcachefs-module-7.0.0-30-generic.drv'...