{"ast_node_type":"variable","tokens":[{"end":52,"kind":"keyword","start":0,"text":"let"}]}
        let (start_fn, start_ty, args, instance) = {
        let EntryFnType::Main { sigpipe } = entry_type;
            let start_def_id = cx.tcx().require_lang_item(LangItem::Start, DUMMY_SP);