error[E0658]: the `#[ffi_returns_twice]` attribute is an experimental feature | |
--> $DIR/feature-gate-ffi_returns_twice.rs:4:5 | |
| | |
LL | #[ffi_returns_twice] | |
| ^^^^^^^^^^^^^^^^^^^^ | |
| | |
= note: for more information, see https://github.com/rust-lang/rust/issues/58314 | |
= help: add `#![feature(ffi_returns_twice)]` to the crate attributes to enable | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0658`. |