this derivation will be built:
  /nix/store/k5k6ijsk37ighkln5lvydil0ayv1qz6b-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/k5k6ijsk37ighkln5lvydil0ayv1qz6b-bcachefs-module-7.0.0-39-generic.drv'...