{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"self.tcx.hir_name(*var_hir_id),"}]}
                                        self.tcx.hir_name(*var_hir_id),
                                    lint.span_label(cause_span, format!("in Rust 2018, this closure captures all of `{}`, but in Rust 2021, it will only capture `{}`",
                                        captured_name,