# File lib/airbrussh/capistrano/tasks.rb, line 38
      def deploy_failed
        return unless airbrussh_is_being_used?
        return if log_file.nil?

        error_line
        error_line(red("** DEPLOY FAILED"))
        error_line(yellow("** Refer to #{log_file} for details. "\
                          "Here are the last 20 lines:"))
        error_line
        error_line(tail_log_file)
      end