1 error[E0412]: cannot find type `PhantomData` in this scope
2 --> $DIR/issue-78372.rs:2:23
4 LL | struct Smaht<T, MISC>(PhantomData);
5 | ^^^^^^^^^^^ not found in this scope
7 help: consider importing this struct
9 LL | use std::marker::PhantomData;
12 error[E0412]: cannot find type `U` in this scope
13 --> $DIR/issue-78372.rs:3:31
15 LL | impl<T> DispatchFromDyn<Smaht<U, MISC>> for T {}
18 | similarly named type parameter `T` defined here
20 help: a type parameter with a similar name exists
22 LL | impl<T> DispatchFromDyn<Smaht<T, MISC>> for T {}
24 help: you might be missing a type parameter
26 LL | impl<T, U> DispatchFromDyn<Smaht<U, MISC>> for T {}
29 error[E0412]: cannot find type `MISC` in this scope
30 --> $DIR/issue-78372.rs:3:34
32 LL | impl<T> DispatchFromDyn<Smaht<U, MISC>> for T {}
33 | - ^^^^ not found in this scope
35 | help: you might be missing a type parameter: `, MISC`
37 error[E0658]: use of unstable library feature 'dispatch_from_dyn'
38 --> $DIR/issue-78372.rs:1:5
40 LL | use std::ops::DispatchFromDyn;
41 | ^^^^^^^^^^^^^^^^^^^^^^^^^
43 = help: add `#![feature(dispatch_from_dyn)]` to the crate attributes to enable
45 error[E0658]: use of unstable library feature 'dispatch_from_dyn'
46 --> $DIR/issue-78372.rs:3:9
48 LL | impl<T> DispatchFromDyn<Smaht<U, MISC>> for T {}
49 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
51 = help: add `#![feature(dispatch_from_dyn)]` to the crate attributes to enable
53 error[E0378]: the trait `DispatchFromDyn` may only be implemented for a coercion between structures
54 --> $DIR/issue-78372.rs:3:1
56 LL | impl<T> DispatchFromDyn<Smaht<U, MISC>> for T {}
57 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
59 error: aborting due to 6 previous errors
61 Some errors have detailed explanations: E0378, E0412, E0658.
62 For more information about an error, try `rustc --explain E0378`.