{"ast_node_type":"variable","tokens":[{"end":59,"kind":"keyword","start":0,"text":"let"}]}
        let version_info = version::read_dylib_info(&obj)?;
            .map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;
        if version_info.version_string != crate::RUSTC_VERSION_STRING {