Ok the "step" thing is getting silly, not gonna do it anymore...
#![allow(incomplete_features)]
-#![feature(box_syntax, const_generics, exact_size_is_empty, trusted_len)]
+#![feature(adt_const_params, box_syntax, exact_size_is_empty, generic_const_exprs, trusted_len)]
// A note: This is literally the actual liballoc `BinaryHeap` test suite adapted for `StaticHeap`.
