# File lib/spring/client/run.rb, line 116
      def verify_server_version
        server_version = server.gets.chomp
        if server_version != env.version
          $stderr.puts "There is a version mismatch between the spring client " \
                         "(#{env.version}) and the server (#{server_version})."

          if server_booted?
            $stderr.puts "We already tried to reboot the server, but the mismatch is still present."
            exit 1
          else
            $stderr.puts "Restarting to resolve."
            stop_server
            cold_run
          end
        end
      end