def parse_warnings
      @warning_count = @xcodebuild_json["warnings"].count
      @warning_count = @warning_count + @xcodebuild_json["ld_warnings"].count
      @warning_count = @warning_count + @xcodebuild_json["compile_warnings"].count
      if @warning_count > 0 && post_messages
        warning_string = @warning_count == 1 ? "warning" : "warnings"
        message = Array.new
        message.push (@build_title) unless @build_title.nil?
        message.push("Please fix **#{@warning_count}** #{warning_string} 😒")
        warn(message.reject(&:empty?).join(" "))
      end
      return @warning_count
    end
def parse_warnings
      @warning_count = @xcodebuild_json["warnings"].count
      @warning_count = @warning_count + @xcodebuild_json["ld_warnings"].count
      @warning_count = @warning_count + @xcodebuild_json["compile_warnings"].count
      if @warning_count > 0 && post_messages
        warning_string = @warning_count == 1 ? "warning" : "warnings"
        message = Array.new
        message.push (@build_title) unless @build_title.nil?
        message.push("Please fix **#{@warning_count}** #{warning_string} 😒")
        warn(message.reject(&:empty?).join(" "))
      end
      return @warning_count
    end
Parses and exposes eventual warnings.
 @return   [warning_count]