error: private items are not exportable
  --> $DIR/exportable.rs:10:5
   |
LL |     pub struct S;
   |     ^^^^^^^^^^^^
   |
note: is only usable at visibility `pub(crate)`
  --> $DIR/exportable.rs:10:5
   |
LL |     pub struct S;
   |     ^^^^^^^^^^^^

error: private items are not exportable
  --> $DIR/exportable.rs:123:5
   |
LL |     enum E {
   |     ^^^^^^
   |
note: is only usable at visibility `pub(self)`
  --> $DIR/exportable.rs:123:5
   |
LL |     enum E {
   |     ^^^^^^

error: trait's are not exportable
  --> $DIR/exportable.rs:131:5
   |
LL |     pub trait Trait {}
   |     ^^^^^^^^^^^^^^^

error: constant's are not exportable
  --> $DIR/exportable.rs:135:5
   |
LL |     pub const C: i32 = 0;
   |     ^^^^^^^^^^^^^^^^

error: only functions with "C" ABI are exportable
  --> $DIR/exportable.rs:13:5
   |
LL |     pub fn foo() -> i32 { 0 }
   |     ^^^^^^^^^^^^^^^^^^^

error: types with unstable layout are not exportable
  --> $DIR/exportable.rs:27:5
   |
LL |     pub struct S3;
   |     ^^^^^^^^^^^^^

error: only functions with "C" ABI are exportable
  --> $DIR/exportable.rs:33:5
   |
LL |     pub fn foo1() {}
   |     ^^^^^^^^^^^^^

error: function with `#[export_stable]` attribute uses type `Box<fn_sig::S>`, which is not exportable
  --> $DIR/exportable.rs:44:5
   |
LL |     pub extern "C" fn foo3(x: Box<S>) -> i32 { 0 }
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^------^^^^^^^^
   |                               |
   |                               not exportable

error: method with `#[export_stable]` attribute uses type `&impl_item::S`, which is not exportable
  --> $DIR/exportable.rs:53:9
   |
LL |         pub extern "C" fn foo1(&self) -> i32 { 0 }
   |         ^^^^^^^^^^^^^^^^^^^^^^^-----^^^^^^^^
   |                                |
   |                                not exportable

error: method with `#[export_stable]` attribute uses type `impl_item::S`, which is not exportable
  --> $DIR/exportable.rs:57:9
   |
LL |         pub extern "C" fn foo2(self) -> i32 { 0 }
   |         ^^^^^^^^^^^^^^^^^^^^^^^----^^^^^^^^
   |                                |
   |                                not exportable

error: generic functions are not exportable
  --> $DIR/exportable.rs:65:9
   |
LL |         pub extern "C" fn foo1(&self) {}
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: function with `#[export_stable]` attribute uses type `(u32,)`, which is not exportable
  --> $DIR/exportable.rs:81:5
   |
LL |     pub extern "C" fn foo1(x: <S as Trait>::Type) -> u32 { x.0 }
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^------------------^^^^^^^^
   |                               |
   |                               not exportable

error: function with `#[export_stable]` attribute uses type `[i32; 4]`, which is not exportable
  --> $DIR/exportable.rs:88:5
   |
LL |     pub extern "C" fn foo2(_x: Type) {}
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^----^
   |                                |
   |                                not exportable

error: function with `#[export_stable]` attribute uses type `extern "C" fn()`, which is not exportable
  --> $DIR/exportable.rs:97:5
   |
LL |     pub extern "C" fn foo3(_x: S::Type) {}
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^-------^
   |                                |
   |                                not exportable

error: function with `#[export_stable]` attribute uses type `impl Copy`, which is not exportable
  --> $DIR/exportable.rs:101:5
   |
LL |     pub extern "C" fn foo4() -> impl Copy {
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^---------
   |                                 |
   |                                 not exportable

error: ADT types with private fields are not exportable
  --> $DIR/exportable.rs:116:5
   |
LL |     pub struct S2 {
   |     ^^^^^^^^^^^^^
   |
note: `x` is private
  --> $DIR/exportable.rs:118:9
   |
LL |         x: i32
   |         ^^^^^^

error: aborting due to 16 previous errors