- html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
- html_root_url = "https://doc.rust-lang.org/nightly/")]
+ html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
+ html_root_url = "https://doc.rust-lang.org/nightly/")]
+#![cfg_attr(not(stage0), deny(warnings))]