message: Fix tests I stupidly broke while debugging
diff: @@ -183,7 +183,6 @@ impl Conf {
  #[cfg(test)]
  mod tests {
  use conf;
  - use serde_json;
  /// Tries to encode and decode a `Conf` object
  /// and makes sure it gets the same result it had.
  @@ -191,10 +190,7 @@ mod tests {
  fn encode_round_trip() {
  let c1 = conf::Conf::new();
  let mut writer = Vec::new();
  - let s = serde_json::to_string(&c1);
  - println!("S is {:?}", s);
  let _c = c1.to_toml_file(&mut writer).unwrap();
  - println!("{}", String::from_utf8_lossy(&writer));
  let mut reader = writer.as_slice();
  let c2 = conf::Conf::from_toml_file(&mut reader).unwrap();
  assert_eq!(c1, c2);
  