#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#![feature(allow_internal_unstable)]
-#![feature(bench_black_box)]
#![feature(extend_one)]
-#![cfg_attr(bootstrap, feature(let_else))]
#![feature(min_specialization)]
#![feature(new_uninit)]
#![feature(step_trait)]