warning: unused variable: `distance`
  --> <project>/reports/os-implementation/K1380-shared-memory-ring-local-preflight-MSpXfz/workspace/kernel/tests/os/../../../os-shared-memory/src/ring.rs:34:13
   |
34 |         let distance = candidate.checked_sub(self.state.consumer)
   |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_distance`
   |
   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default

warning: 1 warning emitted