html_root_url = "https://doc.rust-lang.org/nightly/",
html_playground_url = "https://play.rust-lang.org/",
test(attr(deny(warnings))))]
+#![cfg_attr(not(stage0), deny(warnings))]
#![no_std]
#![unstable(feature = "rand",
reason = "use `rand` from crates.io",
#![feature(custom_attribute)]
#![allow(unused_attributes)]
-#![cfg_attr(test, feature(test, rand, rustc_private, iter_order_deprecated))]
+#![cfg_attr(test, feature(test, rand, rustc_private))]
#![allow(deprecated)]