this derivation will be built:
  /nix/store/6f1ggk8jglfn6412axdw3yi72acnqxqx-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/6f1ggk8jglfn6412axdw3yi72acnqxqx-bcachefs-module-7.0.0-38-generic.drv'...