this derivation will be built: /nix/store/2vvzqra7fm9wv2ypblwxxkba12avm6fk-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/2vvzqra7fm9wv2ypblwxxkba12avm6fk-bcachefs-module-7.0.0-38-generic.drv'...