warning: type `Foo` is more private than the item `outer::inner::bar`
  --> $DIR/pub-restricted-warning.rs:8:9
   |
LL |         pub fn bar() -> Foo {
   |         ^^^^^^^^^^^^^^^^^^^ function `outer::inner::bar` is reachable at visibility `pub(crate)`
   |
note: but type `Foo` is only usable at visibility `pub(in crate::outer)`
  --> $DIR/pub-restricted-warning.rs:7:9
   |
LL |         pub(in crate::outer) struct Foo;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = note: `#[warn(private_interfaces)]` on by default

warning: type `NestedFoo` is more private than the item `nested::inner::bar`
  --> $DIR/pub-restricted-warning.rs:17:13
   |
LL |             pub fn bar() -> NestedFoo {
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^ function `nested::inner::bar` is reachable at visibility `pub(crate)`
   |
note: but type `NestedFoo` is only usable at visibility `pub(in crate::outer::nested)`
  --> $DIR/pub-restricted-warning.rs:16:13
   |
LL |             pub(in crate::outer::nested) struct NestedFoo;
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

warning: 2 warnings emitted