{"ast_node_type":"other","tokens":[{"end":103,"kind":"keyword","start":0,"text":"[sym::must_not_suspend,"}]}
                        [sym::must_not_suspend, ..] => self.check_must_not_suspend(attr, span, target),
                        [sym::collapse_debuginfo, ..] => self.check_collapse_debuginfo(attr, span, target),
                        [sym::rustc_has_incoherent_inherent_impls, ..] => {