message: poke the metrics counters when you start the web server
diff: @@ -433,6 +433,12 @@ fn latest_version(versions_json: &Vec<String>, req_version: &str) -> Option<Stri
  /// Starts cratesfyi web server
  pub fn start_web_server(sock_addr: Option<&str>) {
  + // poke all the metrics counters to instantiate and register them
  + metrics::TOTAL_BUILDS.inc_by(0);
  + metrics::SUCCESSFUL_BUILDS.inc_by(0);
  + metrics::FAILED_BUILDS.inc_by(0);
  + metrics::NON_LIBRARY_BUILDS.inc_by(0);
  +
  let cratesfyi = CratesfyiHandler::new();
  Iron::new(cratesfyi).http(sock_addr.unwrap_or("0.0.0.0:3000")).unwrap();
  }
  