class BenchmarkDriver::Runner::RubyStdout

def execute(*args)
  stdout, stderr, status = Open3.capture3(*args)
  unless status.success?
    raise CommandFailure.new("Failed to execute: #{args.shelljoin} (status: #{$?.exitstatus}):\n\n[stdout]:\n#{stdout}\n[stderr]:\n#{stderr}")
  end
  stdout
end