{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"UpvarMigrationInfo::CapturingPrecise"}]}
                UpvarMigrationInfo::CapturingPrecise { source_expr: _, var_name } => {
            capture_diagnostic.sort_by_cached_key(|info| match info {
                    (0, Some(var_name.clone()))