{"ast_node_type":"other","tokens":[{"end":20,"kind":"keyword","start":0,"text":"match"}]}
        match self {
    fn into_diag_arg(self, _: &mut Option<std::path::PathBuf>) -> rustc_errors::DiagArgValue {
            CrateFlavor::Rlib => DiagArgValue::Str(Cow::Borrowed("rlib")),