{"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"eprintln!(\"{:<20}"}]}
        eprintln!("{:<20} {}", "Const evaluation:", const_eval_time);
        let const_eval_time = sw.elapsed();
        eprintln!("Failed const evals: {fail} ({}%)", percentage(fail, all));