error[E0770]: the type of const parameters must not depend on other generic parameters --> $DIR/const-param-type-depends-on-type-param.rs:9:34 | LL | pub struct Dependent([(); X]); | ^ the type must not depend on the parameter `T` warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes --> $DIR/const-param-type-depends-on-type-param.rs:1:12 | LL | #![feature(const_generics)] | ^^^^^^^^^^^^^^ | = note: `#[warn(incomplete_features)]` on by default = note: see issue #44580 for more information error[E0392]: parameter `T` is never used --> $DIR/const-param-type-depends-on-type-param.rs:9:22 | LL | pub struct Dependent([(); X]); | ^ unused parameter | = help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData` error: aborting due to 2 previous errors; 1 warning emitted Some errors have detailed explanations: E0392, E0770. For more information about an error, try `rustc --explain E0392`.