{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"get_default_sysroot(&bootstrap_host_compiler.rustc).join(\"lib/rustlib/src/rust\");"}]}
        get_default_sysroot(&bootstrap_host_compiler.rustc).join("lib/rustlib/src/rust");
    let stdlib_source =
    assert!(stdlib_source.exists());