{"ast_node_type":"other","tokens":[{"end":194,"kind":"keyword","start":0,"text":"lint.span_label(drop_location_span,"}]}
                                        lint.span_label(drop_location_span, format!("in Rust 2018, `{}` is dropped here, but in Rust 2021, only `{}` will be dropped here as part of the closure",
                                    UpvarMigrationInfo::CapturingPrecise { var_name: captured_name, .. } => {
                                            self.tcx.hir_name(*var_hir_id),