src/test/ui/lint/lint-ctypes-73249-2.full_tait.stderr

   1 warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes
   2   --> $DIR/lint-ctypes-73249-2.rs:3:32
   3    |
   4 LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait))]
   5    |                                ^^^^^^^^^^^^^^^^^^^^^
   6    |
   7    = note: `#[warn(incomplete_features)]` on by default
   8    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
   9
  10 error: `extern` block uses type `impl Baz`, which is not FFI-safe
  11   --> $DIR/lint-ctypes-73249-2.rs:29:25
  12    |
  13 LL |     pub fn lint_me() -> A<()>;
  14    |                         ^^^^^ not FFI-safe
  15    |
  16 note: the lint level is defined here
  17   --> $DIR/lint-ctypes-73249-2.rs:5:9
  18    |
  19 LL | #![deny(improper_ctypes)]
  20    |         ^^^^^^^^^^^^^^^
  21    = note: opaque types have no C equivalent
  22
  23 error: aborting due to previous error; 1 warning emitted
  24