warning: method `as_str` is never used
  --> <project>/reports/os-implementation/K1575-vfs-stat-local-so0qp5/source/kernel/tests/os/../../../os-vfs-stat/src/lib.rs:37:12
   |
25 | impl Name {
   | --------- method in this implementation
...
37 |     pub fn as_str(&self) -> &str {
   |            ^^^^^^
   |
   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default

warning: 1 warning emitted