{"ast_node_type":"other","tokens":[{"end":44,"kind":"keyword","start":0,"text":".fully_perform(self.infcx,"}]}
            .fully_perform(self.infcx, span)
            .and(type_op::ImpliedOutlivesBounds { ty })
            .map_err(|_: ErrorGuaranteed| debug!("failed to compute implied bounds {:?}", ty))