warning: unused variable: `block`
  --> <project>/reports/os-implementation/K1690-turkfs-second-cut-local-1TV2Ts/mutant/kernel/tests/os/../../../os-turkfs-journal/src/replay.rs:51:17
   |
51 |         for (i, block) in observed.iter().enumerate() {
   |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
   |
   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default

warning: 1 warning emitted