message: Remove stray eprintln
diff: @@ -134,7 +134,6 @@ mod bigint {
  let e: BigInt = e.into();
  let m: BigInt = m.into();
  let r: BigInt = r.into();
  - eprintln!("{} {} {} {}", b, e, m, r);
  let neg_b_r = if e.is_odd() {
  (-&r).mod_floor(&m)
  