error: const `impl` for trait `Add` which is not marked with `#[const_trait]` --> $DIR/const-and-non-const-impl.rs:7:12 | LL | impl const std::ops::Add for i32 { | ^^^^^^^^^^^^^ | = 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 error: const `impl` for trait `Add` which is not marked with `#[const_trait]` --> $DIR/const-and-non-const-impl.rs:23:12 | LL | impl const std::ops::Add for Int { | ^^^^^^^^^^^^^ | = 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 error: aborting due to 2 previous errors