| Future incompatibility report: Future breakage diagnostic: | |
| warning: unused variable: `x` | |
| --> $DIR/future-incompat-test.rs:9:9 | |
| | | |
| LL | let x = 1; | |
| | ^ help: if this is intentional, prefix it with an underscore: `_x` | |
| | | |
| = note: `-A unused-variables` implied by `-A unused` | |