{"ast_node_type":"variable","tokens":[{"end":63,"kind":"keyword","start":0,"text":"let"}]}
        let target = Target::from_generic_param(generic_param);
    fn visit_generic_param(&mut self, generic_param: &'tcx hir::GenericParam<'tcx>) {
        self.check_attributes(generic_param.hir_id, generic_param.span, target, None);