src/test/ui/feature-gate/feature-gate-c_variadic.stderr


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error[E0658]: C-variadic functions are unstable
  --> $DIR/feature-gate-c_variadic.rs:3:1
   |
LL | pub unsafe extern "C" fn test(_: i32, ap: ...) { }
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: for more information, see https://github.com/rust-lang/rust/issues/44930
   = help: add `#![feature(c_variadic)]` to the crate attributes to enable

error: aborting due to previous error

For more information about this error, try `rustc --explain E0658`.