class ParallelSpecs::SpecSummaryLogger

def dump_failure(*args)
  lock_output do
    @output.puts "#{ @failed_examples.size } examples failed:"
    @failed_examples.each.with_index do | failure, i |
      @output.puts "#{ i + 1 })"
      @output.puts failure.header
      @output.puts failure.exception.to_s
      failure.exception.backtrace.each do | caller |
        @output.puts caller
      end
      @output.puts ''
    end
  end
  @output.flush
end