this derivation will be built: /nix/store/wv3dzsz4hcmdqbm69hlz4c256cq2w6i5-bcachefs-module-7.0.0-31-generic.drv building '/nix/store/wv3dzsz4hcmdqbm69hlz4c256cq2w6i5-bcachefs-module-7.0.0-31-generic.drv'...