=== stdout ===
=== stderr ===
warning: the feature `repr128` is incomplete and may not be safe to use and/or cause compiler crashes
 --> <anon>:3:12
  |
3 | #![feature(repr128, arbitrary_enum_discriminant)]
  |            ^^^^^^^
  |
  = note: see issue #56071 <rust-lang/rust#56071> for more information
  = note: `#[warn(incomplete_features)]` on by default

warning: the feature `arbitrary_enum_discriminant` has been stable since 1.66.0 and no longer requires an attribute to enable
 --> <anon>:3:21
  |
3 | #![feature(repr128, arbitrary_enum_discriminant)]
  |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: `#[warn(stable_features)]` on by default

warning: 2 warnings emitted

==============