derive-const-with-params.stderr

warning: the feature `effects` is incomplete and may not be safe to use and/or cause compiler crashes
  --> $DIR/derive-const-with-params.rs:5:30
   |
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 `impl` for trait `PartialEq` which is not marked with `#[const_trait]`
  --> $DIR/derive-const-with-params.rs:7:16
   |
LL | #[derive_const(PartialEq)]
   |                ^^^^^^^^^
   |
   = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
   = note: adding a non-const method body in the future would be a breaking change
   = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info)

error: `~const` can only be applied to `#[const_trait]` traits
  --> $DIR/derive-const-with-params.rs:7:16
   |
LL | #[derive_const(PartialEq)]
   |                ^^^^^^^^^
   |
   = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info)

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