this derivation will be built:
  /nix/store/9pb4d28338mgsradbp6gkyq16njbn63k-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/9pb4d28338mgsradbp6gkyq16njbn63k-bcachefs-module-7.0.0-27-generic.drv'...