{"ast_node_type":"variable","tokens":[{"end":93,"kind":"keyword","start":0,"text":"let"}]}
            let full_impl_span = tcx.hir_span_with_body(tcx.local_def_id_to_hir_id(impl_id));
        if !missing_items.is_empty() {
            missing_items_err(tcx, impl_id, &missing_items, full_impl_span);