gistfile1.txt

==================
WARNING: DATA RACE
Read at 0x00c4200a6230 by goroutine 7:
  net/http.(*Server).shouldConfigureHTTP2ForServe()
      /usr/local/Cellar/go/1.7rc3/libexec/src/net/http/server.go:2227 +0x48
  net/http.(*Server).Serve()
      /usr/local/Cellar/go/1.7rc3/libexec/src/net/http/server.go:2263 +0xcf
  main.main.func2()
      /tmp/main.go:23 +0x4e

Previous write at 0x00c4200a6230 by goroutine 6:
  net/http.http2ConfigureServer()
      /usr/local/Cellar/go/1.7rc3/libexec/src/net/http/h2_bundle.go:2861 +0xb7f
  net/http.(*Server).onceSetNextProtoDefaults()
      /usr/local/Cellar/go/1.7rc3/libexec/src/net/http/server.go:2454 +0xcd
  net/http.(*Server).(net/http.onceSetNextProtoDefaults)-fm()
      /usr/local/Cellar/go/1.7rc3/libexec/src/net/http/server.go:2440 +0x41
  sync.(*Once).Do()
      /usr/local/Cellar/go/1.7rc3/libexec/src/sync/once.go:44 +0xf2
  net/http.(*Server).setupHTTP2()
      /usr/local/Cellar/go/1.7rc3/libexec/src/net/http/server.go:2440 +0x79
  net/http.(*Server).Serve()
      /usr/local/Cellar/go/1.7rc3/libexec/src/net/http/server.go:2264 +0x552
  main.main.func1()
      /tmp/main.go:22 +0x4e

Goroutine 7 (running) created at:
  main.main()
      /tmp/main.go:23 +0x1ac

Goroutine 6 (running) created at:
  main.main()
      /tmp/main.go:22 +0x176
==================
==================
WARNING: DATA RACE
Read at 0x00c4200fc048 by goroutine 7:
  net/http.(*Server).shouldConfigureHTTP2ForServe()
      /usr/local/Cellar/go/1.7rc3/libexec/src/net/http/server.go:2243 +0x7e
  net/http.(*Server).Serve()
      /usr/local/Cellar/go/1.7rc3/libexec/src/net/http/server.go:2263 +0xcf
  main.main.func2()
      /tmp/main.go:23 +0x4e

Previous write at 0x00c4200fc048 by goroutine 6:
  net/http.http2ConfigureServer()
      /usr/local/Cellar/go/1.7rc3/libexec/src/net/http/h2_bundle.go:2894 +0x6b0
  net/http.(*Server).onceSetNextProtoDefaults()
      /usr/local/Cellar/go/1.7rc3/libexec/src/net/http/server.go:2454 +0xcd
  net/http.(*Server).(net/http.onceSetNextProtoDefaults)-fm()
      /usr/local/Cellar/go/1.7rc3/libexec/src/net/http/server.go:2440 +0x41
  sync.(*Once).Do()
      /usr/local/Cellar/go/1.7rc3/libexec/src/sync/once.go:44 +0xf2
  net/http.(*Server).setupHTTP2()
      /usr/local/Cellar/go/1.7rc3/libexec/src/net/http/server.go:2440 +0x79
  net/http.(*Server).Serve()
      /usr/local/Cellar/go/1.7rc3/libexec/src/net/http/server.go:2264 +0x552
  main.main.func1()
      /tmp/main.go:22 +0x4e

Goroutine 7 (running) created at:
  main.main()
      /tmp/main.go:23 +0x1ac

Goroutine 6 (running) created at:
  main.main()
      /tmp/main.go:22 +0x176
==================
Found 2 data race(s)
exit status 66