{"ast_node_type":"variable","tokens":[{"end":85,"kind":"keyword","start":0,"text":"let"}]}
            let relevant = native_libs.clone().filter(|lib| relevant_lib(sess, lib));
            let native_libs = codegen_results.crate_info.native_libraries[&cnum].iter();
            let relevant_libs: FxIndexSet<_> = relevant.filter_map(|lib| lib.filename).collect();