this derivation will be built:
  /nix/store/b4qg4c3940lrabckv99781d1ajdd4vgd-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/b4qg4c3940lrabckv99781d1ajdd4vgd-bcachefs-module-7.0.0-30-generic.drv'...