this derivation will be built: /nix/store/a5qifmappc3l16szyh3hhvnyhdnzclx1-bcachefs-module-7.0.0-31-generic.drv building '/nix/store/a5qifmappc3l16szyh3hhvnyhdnzclx1-bcachefs-module-7.0.0-31-generic.drv'...