{"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"\"only"}]}
                "only `-C link-self-contained` values `y`/`yes`/`on`/`n`/`no`/`off`/`-linker` \
            return Err(String::from(
                are stable, the `-Z unstable-options` flag must also be passed to use \