this derivation will be built:
  /nix/store/by2rfgvabvk7dncnvw4wrs1w9qmha018-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/by2rfgvabvk7dncnvw4wrs1w9qmha018-bcachefs-module-7.0.0-38-generic.drv'...