=== RUN   TestPass
--- PASS: TestPass (0.00s)
PASS
==================
WARNING: DATA RACE
Read at 0x0000007f52a8 by goroutine 9:
  racesurvey/E_testmain.TestMain.func2()
      /tmp/racesurvey/E_testmain/e_test.go:18 +0x74

Previous write at 0x0000007f52a8 by goroutine 8:
  racesurvey/E_testmain.TestMain.func1()
      /tmp/racesurvey/E_testmain/e_test.go:17 +0x8c

Goroutine 9 (running) created at:
  racesurvey/E_testmain.TestMain()
      /tmp/racesurvey/E_testmain/e_test.go:18 +0x139
  main.main()
      _testmain.go:48 +0x171

Goroutine 8 (finished) created at:
  racesurvey/E_testmain.TestMain()
      /tmp/racesurvey/E_testmain/e_test.go:17 +0xcc
  main.main()
      _testmain.go:48 +0x171
==================
Found 1 data race(s)