| warning: unknown lint: `test_unstable_lint` | |
| --> $DIR/feature-gate-test_unstable_lint.rs:4:10 | |
| | | |
| LL | #![allow(test_unstable_lint)] | |
| | ^^^^^^^^^^^^^^^^^^ | |
| | | |
| = note: the `test_unstable_lint` lint is unstable | |
| = help: add `#![feature(test_unstable_lint)]` to the crate attributes to enable | |
| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date | |
| = note: `#[warn(unknown_lints)]` on by default | |
| warning: 1 warning emitted | |