warning: function `checksum` is never used
  --> <project>/reports/os-implementation/K1665-turkfs-journal-local-cRaFID/mutant/kernel/tests/os/../../../os-turkfs-journal/src/lib.rs:32:4
   |
32 | fn checksum(bytes: &[u8]) -> u32 {
   |    ^^^^^^^^
   |
   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default

warning: 1 warning emitted