error[E0658]: the `#[used]` attribute is an experimental feature (see issue #40289) | |
--> $DIR/feature-gate-linker-flavor.rs:16:1 | |
| | |
16 | #[used] | |
| ^^^^^^^ | |
| | |
= help: add #![feature(used)] to the crate attributes to enable | |
error: aborting due to previous error | |