this derivation will be built:
  /nix/store/rci5407fn8w8k8rzy4c397yj9vr7n65w-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/rci5407fn8w8k8rzy4c397yj9vr7n65w-bcachefs-module-7.0.0-14-generic.drv'...