this derivation will be built: /nix/store/wl228shnv3rg9rwbrsqpd6qnmqsihz3n-bcachefs-module-7.0.0-31-generic.drv building '/nix/store/wl228shnv3rg9rwbrsqpd6qnmqsihz3n-bcachefs-module-7.0.0-31-generic.drv'...