message: Fix Clippy error.
diff: @@ -2,7 +2,7 @@ use std::{collections::BTreeMap, iter, sync::Arc, time::Duration};
  use anyhow::bail;
  use either::Either;
  -use log::info;
  +use log::{error, info};
  use num::Zero;
  use num_rational::Ratio;
  use rand::Rng;
  