#![warn(missing_docs)]
#![allow(explicit_outlives_requirements)]
#![allow(incomplete_features)]
+#![cfg_attr(not(bootstrap), warn(multiple_supertrait_upcastable))]
//
// Library features:
#![feature(const_align_offset)]
#![feature(const_refs_to_cell)]
#![feature(decl_macro)]
#![feature(deprecated_suggestion)]
-#![cfg_attr(not(bootstrap), feature(derive_const))]
+#![feature(derive_const)]
#![feature(doc_cfg)]
#![feature(doc_notable_trait)]
#![feature(rustdoc_internals)]
#![feature(unsized_fn_params)]
#![feature(asm_const)]
#![feature(const_transmute_copy)]
+#![cfg_attr(not(bootstrap), feature(multiple_supertrait_upcastable))]
//
// Target features:
#![feature(arm_target_feature)]