{"ast_node_type":"other","tokens":[{"end":128,"kind":"keyword","start":0,"text":"///"}]}
        /// [`rustc`’s built-in test harness (“libtest”)](https://doc.rust-lang.org/rustc/tests/index.html#cli-arguments).
        /// they will end up being interpreted as options to
        runnables_extraTestBinaryArgs: Vec<String> = vec!["--show-output".to_owned()],