warning: the feature `unsized_const_params` is incomplete and may not be safe to use and/or cause compiler crashes --> $DIR/refs_check_const_eq-issue-88384.rs:2:30 | LL | #![feature(adt_const_params, unsized_const_params)] | ^^^^^^^^^^^^^^^^^^^^ | = note: see issue #95174 for more information = note: `#[warn(incomplete_features)]` on by default error[E0741]: `CompileTimeSettings` must implement `ConstParamTy` to be used as the type of a const generic parameter --> $DIR/refs_check_const_eq-issue-88384.rs:10:21 | LL | struct Foo; | ^^^^^^^^^^^^^^^^^^^ | help: add `#[derive(ConstParamTy)]` to the struct | LL + #[derive(ConstParamTy)] LL | struct CompileTimeSettings { | error[E0741]: `CompileTimeSettings` must implement `ConstParamTy` to be used as the type of a const generic parameter --> $DIR/refs_check_const_eq-issue-88384.rs:13:15 | LL | impl Foo { | ^^^^^^^^^^^^^^^^^^^ | help: add `#[derive(ConstParamTy)]` to the struct | LL + #[derive(ConstParamTy)] LL | struct CompileTimeSettings { | error: aborting due to 2 previous errors; 1 warning emitted For more information about this error, try `rustc --explain E0741`.