{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"html_playground_url"}]}
    html_playground_url = "https://play.rust-lang.org/",
    html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/",
    test(attr(allow(unused_variables), deny(warnings)))