this derivation will be built:
  /nix/store/rq2y9dwvrj9jfclnzwl94bxwbxsafppm-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/rq2y9dwvrj9jfclnzwl94bxwbxsafppm-bcachefs-module-7.0.0-38-generic.drv'...