{"ast_node_type":"variable","tokens":[{"end":87,"kind":"keyword","start":0,"text":"let"}]}
        let temps_dir = sessopts.unstable_opts.temps_dir.as_deref().map(PathBuf::from);
    rustc_span::create_session_globals_then(DEFAULT_EDITION, &[], sm_inputs, || {
        let io = CompilerIO {