warning: the feature `effects` is incomplete and may not be safe to use and/or cause compiler crashes
  --> $DIR/const-bounds-non-const-trait.rs:2:30
   |
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: using `#![feature(effects)]` without enabling next trait solver globally
   |
   = note: the next trait solver must be enabled globally for the effects feature to work correctly
   = help: use `-Znext-solver` to enable

error: `~const` can only be applied to `#[const_trait]` traits
  --> $DIR/const-bounds-non-const-trait.rs:6:28
   |
LL | const fn perform<T: ~const NonConst>() {}
   |                            ^^^^^^^^

error: `const` can only be applied to `#[const_trait]` traits
  --> $DIR/const-bounds-non-const-trait.rs:9:21
   |
LL | fn operate<T: const NonConst>() {}
   |                     ^^^^^^^^

error: aborting due to 3 previous errors; 1 warning emitted