{"ast_node_type":"variable","tokens":[{"end":28,"kind":"keyword","start":0,"text":"let"}]}
        let loaded_sysroot =
        let mut sysroot = Sysroot::discover(tmp_file.parent().unwrap(), &cargo_config.extra_env);
            sysroot.load_workspace(&RustSourceWorkspaceConfig::default_cargo(), &path, &|_| ());