| error: `extern` block uses type `impl Baz`, which is not FFI-safe | |
| --> $DIR/lint-ctypes-73249-5.rs:18:25 | |
| | | |
| LL | pub fn lint_me() -> A; | |
| | ^ not FFI-safe | |
| | | |
| note: the lint level is defined here | |
| --> $DIR/lint-ctypes-73249-5.rs:2:9 | |
| | | |
| LL | #![deny(improper_ctypes)] | |
| | ^^^^^^^^^^^^^^^ | |
| = note: opaque types have no C equivalent | |
| error: aborting due to previous error | |