this derivation will be built: /nix/store/zdf3gcpqgi8qxhfkh1cm066bh0cjw0ms-bcachefs-module-7.0.0-39-generic.drv building '/nix/store/zdf3gcpqgi8qxhfkh1cm066bh0cjw0ms-bcachefs-module-7.0.0-39-generic.drv'...