message: use .next() instead of .nth(0)
diff: @@ -240,7 +240,7 @@ impl CrateDetails {
  crate_details.last_successful_build = crate_details.releases.iter()
  .filter(|release| release.build_status && !release.yanked)
  .map(|release| release.version.to_owned())
  - .nth(0);
  + .next();
  }
  Some(crate_details)
  