| error[E0658]: rustc_allow_const_fn_unstable side-steps feature gating and stability checks |
| --> $DIR/feature-gate-rustc-allow-const-fn-unstable.rs:3:1 |
| | |
| LL | #[rustc_allow_const_fn_unstable()] |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| | |
| = note: see issue #69399 <https://github.com/rust-lang/rust/issues/69399> for more information |
| = help: add `#![feature(rustc_allow_const_fn_unstable)]` to the crate attributes to enable |
| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0658`. |
