this derivation will be built: /nix/store/smc9l45a6gxr2l6krhpvm569p2ccjd9d-bcachefs-module-7.0.0-31-generic.drv building '/nix/store/smc9l45a6gxr2l6krhpvm569p2ccjd9d-bcachefs-module-7.0.0-31-generic.drv'...