message: Making `make lint` pass
diff: //! execute (as we do in the first, SynchronizeTrustedHash, phase) it would have taken more time and
  //! we might miss more eras.
  +#[allow(dead_code)]
  mod event;
  +#[allow(dead_code)]
  mod metrics;
  +#[allow(dead_code)]
  mod peers;
  +#[allow(dead_code)]
  mod state;
  mod traits;
  