{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"runners.insert(\"--clean\","}]}
    runners.insert("--clean", ("Empty cargo target directory", clean));
    runners.insert("--test-libcore", ("Run libcore tests", test_libcore));
    runners.insert("--build-sysroot", ("Build sysroot", build_sysroot));