message: Remove unnecessary `format!()` in `panic!()`.
diff: @@ -230,10 +230,10 @@ fn main() {
  err => panic!("unknown error decoding -Zmiri-seed as hex: {:?}", err),
  });
  if seed_raw.len() > 8 {
  - panic!(format!(
  + panic!(
  "-Zmiri-seed must be at most 8 bytes, was {}",
  seed_raw.len()
  - ));
  + );
  }
  let mut bytes = [0; 8];
  