{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"runners.insert(\"--test-libcore\","}]}
    runners.insert("--test-libcore", ("Run libcore tests", test_libcore));
    runners.insert("--projects", ("Run the tests of popular crates", test_projects));
    runners.insert("--clean", ("Empty cargo target directory", clean));