{"ast_node_type":"variable","tokens":[{"end":59,"kind":"keyword","start":0,"text":"let"}]}
        let local_crate_name = tcx.crate_name(LOCAL_CRATE);
            crate_types.iter().map(|&c| (c, crate::back::linker::linked_symbols(tcx, c))).collect();
        let crate_attrs = tcx.hir_attrs(rustc_hir::CRATE_HIR_ID);