Fix up some outdated / removed feature gates
// this should be called `const_interior_mutability` IMO
const_refs_to_cell,
const_replace,
- const_slice_from_raw_parts,
+ const_slice_from_raw_parts_mut,
const_swap,
const_trait_impl,
core_intrinsics,
slice_partition_dedup,
specialization,
trusted_len,
- trusted_random_access,
- untagged_unions
+ trusted_random_access
)]
#![cfg_attr(feature = "std", feature(read_buf))]
