1error[E0412]: cannot find type `Dst` in this scope 2 --> $DIR/unknown_dst.rs:20:36 3 | 4LL | assert::is_transmutable::<Src, Dst, Context>(); 5 | ^^^ not found in this scope 6 | 7help: you might be missing a type parameter 8 | 9LL | fn should_gracefully_handle_unknown_dst<Dst>() { 10 | +++++ 11 12error: aborting due to previous error 13 14For more information about this error, try `rustc --explain E0412`. 15