{"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"impl<'tcx>"}]}
impl<'tcx> LateLintPass<'tcx> for DerefIntoDynSupertrait {
    fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::Item<'tcx>) {