{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"upstream_crates.sort_unstable_by_key(|&(stable_crate_id,"}]}
    upstream_crates.sort_unstable_by_key(|&(stable_crate_id, _)| stable_crate_id);
        .collect();
    upstream_crates