rust/tests/ui/cast/ptr-to-trait-obj-different-args.stderr

error[E0606]: casting `*const dyn A` as `*const dyn B` is invalid
  --> $DIR/ptr-to-trait-obj-different-args.rs:18:27
   |
LL |     let b: *const dyn B = a as _;
   |                           ^^^^^^
   |
   = note: vtable kinds may not match

error[E0308]: mismatched types
  --> $DIR/ptr-to-trait-obj-different-args.rs:21:34
   |
LL |     let y: *const dyn Trait<Y> = x as _;
   |                                  ^^^^^^ expected `X`, found `Y`
   |
   = note: expected trait object `dyn Trait<X>`
              found trait object `dyn Trait<Y>`
   = help: `dyn Trait<Y>` implements `Trait` so you could box the found value and coerce it to the trait object `Box<dyn Trait>`, you will have to change the expected type as well

error[E0308]: mismatched types
  --> $DIR/ptr-to-trait-obj-different-args.rs:27:34
   |
LL | fn generic<T>(x: *const dyn Trait<X>, t: *const dyn Trait<T>) {
   |            - found this type parameter
LL |     let _: *const dyn Trait<T> = x as _;
   |                                  ^^^^^^ expected `X`, found type parameter `T`
   |
   = note: expected trait object `dyn Trait<X>`
              found trait object `dyn Trait<T>`
   = help: `dyn Trait<T>` implements `Trait` so you could box the found value and coerce it to the trait object `Box<dyn Trait>`, you will have to change the expected type as well

error[E0308]: mismatched types
  --> $DIR/ptr-to-trait-obj-different-args.rs:28:34
   |
LL | fn generic<T>(x: *const dyn Trait<X>, t: *const dyn Trait<T>) {
   |            - expected this type parameter
LL |     let _: *const dyn Trait<T> = x as _;
LL |     let _: *const dyn Trait<X> = t as _;
   |                                  ^^^^^^ expected type parameter `T`, found `X`
   |
   = note: expected trait object `dyn Trait<T>`
              found trait object `dyn Trait<X>`
   = help: `dyn Trait<X>` implements `Trait` so you could box the found value and coerce it to the trait object `Box<dyn Trait>`, you will have to change the expected type as well

error[E0308]: mismatched types
  --> $DIR/ptr-to-trait-obj-different-args.rs:36:5
   |
LL |     x as _
   |     ^^^^^^ expected `u8`, found `u32`
   |
   = note: expected trait object `dyn Assocked<Assoc = u8>`
              found trait object `dyn Assocked<Assoc = u32>`

error: aborting due to 5 previous errors

Some errors have detailed explanations: E0308, E0606.
For more information about an error, try `rustc --explain E0308`.