this derivation will be built: /nix/store/2y128qqw7kvr6qfx8amwy5savys51f3l-bcachefs-module-7.0.0-26-generic.drv building '/nix/store/2y128qqw7kvr6qfx8amwy5savys51f3l-bcachefs-module-7.0.0-26-generic.drv'...