{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"out_path.push(format!(\"fuzz{next}.rs\"));"}]}
                        out_path.push(format!("fuzz{next}.rs"));
                        // .. into a file named `fuzz{seed}.rs`.
                        std::fs::copy(err, out_path).unwrap();