this derivation will be built:
  /nix/store/kzdy16sj4v2sr40l5rsr873nkyw0qx7q-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/kzdy16sj4v2sr40l5rsr873nkyw0qx7q-bcachefs-module-7.0.0-38-generic.drv'...