1 error[E0404]: expected trait, found type alias `Foo`
2 --> $DIR/issue-3907.rs:11:6
5 | ^^^ type aliases cannot be used as traits
7 help: you might have meant to use `#![feature(trait_alias)]` instead of a `type` alias
8 --> $DIR/issue-3907.rs:5:1
10 LL | type Foo = dyn issue_3907::Foo;
11 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
12 help: possible better candidate is found in another module, you can import it into scope
14 LL | use issue_3907::Foo;
17 error: aborting due to previous error
19 For more information about this error, try `rustc --explain E0404`.