message: remove subsec_millis to avoid stable issues
diff: @@ -44,7 +44,7 @@ impl fmt::Display for MetricStats {
  fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
  let x = self.duration.as_secs() * 1_000_000_000 + self.duration.subsec_nanos() as u64;
  let s = self.bytes_transfered * 1_000_000_000 / x;
  - write!(f, "{} bytes transfered in {}.{:03} seconds. {}/s", self.bytes_transfered, self.duration.as_secs(), self.duration.subsec_millis(), size_print(s))
  + write!(f, "{} bytes transfered in {}.{:03} seconds. {}/s", self.bytes_transfered, self.duration.as_secs(), self.duration.subsec_nanos() / 1_000_000, size_print(s))
  }
  }
  