{"ast_node_type":"other","tokens":[{"end":90,"kind":"keyword","start":0,"text":"self.current_capture_span_stack.push(MirSpan::PatId(arg));"}]}
                                self.current_capture_span_stack.push(MirSpan::PatId(arg));
                                let mut p = place.clone();
                                p.projections.push(ProjectionElem::Field(Either::Left(FieldId {