error[E0659]: `foo` is ambiguous
  --> $DIR/E0659.rs:15:15
   |
LL |     collider::foo();
   |               ^^^ ambiguous name
   |
   = note: ambiguous because of multiple glob imports of a name in the same module
note: `foo` could refer to the function imported here
  --> $DIR/E0659.rs:10:13
   |
LL |     pub use moon::*;
   |             ^^^^^^^
   = help: consider adding an explicit import of `foo` to disambiguate
note: `foo` could also refer to the function imported here
  --> $DIR/E0659.rs:11:13
   |
LL |     pub use earth::*;
   |             ^^^^^^^^
   = help: consider adding an explicit import of `foo` to disambiguate

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0659`.