1error[E0432]: unresolved import `a::foo`
2  --> $DIR/import4.rs:5:17
3   |
4LL | mod b { pub use a::foo; }
5   |                 ^^^^^^ no `foo` in `a`
6
7error: aborting due to previous error
8
9For more information about this error, try `rustc --explain E0432`.
10