# File lib/spec/runner/reporter.rb, line 39
      def example_failed(example, error)
        backtrace_tweaker.tweak_backtrace(error)
        failure = Failure.new(@example_group.description, example.description, error)
        @failures << failure
        formatters.each do |f|
          f.example_failed(example, @failures.length, failure)
        end
      end