error: const trait bounds are not allowed in trait object types
  --> $DIR/const-trait-bounds-trait-objects.rs:8:17
   |
LL |     let _: &dyn const Trait;
   |                 ^^^^^^^^^^^

error: `~const` is not allowed here
  --> $DIR/const-trait-bounds-trait-objects.rs:9:17
   |
LL |     let _: &dyn ~const Trait;
   |                 ^^^^^^
   |
   = note: trait objects cannot have `~const` trait bounds

error: const trait bounds are not allowed in trait object types
  --> $DIR/const-trait-bounds-trait-objects.rs:14:25
   |
LL | const fn handle(_: &dyn const NonConst) {}
   |                         ^^^^^^^^^^^^^^

error: `~const` is not allowed here
  --> $DIR/const-trait-bounds-trait-objects.rs:16:23
   |
LL | const fn take(_: &dyn ~const NonConst) {}
   |                       ^^^^^^
   |
   = note: trait objects cannot have `~const` trait bounds

warning: the feature `effects` is incomplete and may not be safe to use and/or cause compiler crashes
  --> $DIR/const-trait-bounds-trait-objects.rs:1:30
   |
LL | #![feature(const_trait_impl, effects)]
   |                              ^^^^^^^
   |
   = note: see issue #102090 <https://github.com/rust-lang/rust/issues/102090> for more information
   = note: `#[warn(incomplete_features)]` on by default

error: aborting due to 4 previous errors; 1 warning emitted