=== RUN   TestRoundTripReuseDatarace
==================
WARNING: DATA RACE
Read at 0x00c000439818 by goroutine 70:
  github.com/aws/aws-xray-sdk-go/xray.(*Segment).RemoveSubsegment()
      /home/t-yuki/go/src/github.com/aws/aws-xray-sdk-go/xray/segment.go:288 +0x300
  github.com/aws/aws-xray-sdk-go/xray.(*HTTPSubsegments).GotConn()
      /home/t-yuki/go/src/github.com/aws/aws-xray-sdk-go/xray/httptrace.go:127 +0x17c
  github.com/aws/aws-xray-sdk-go/xray.NewClientTrace.func8()
      /home/t-yuki/go/src/github.com/aws/aws-xray-sdk-go/xray/httptrace.go:228 +0x53
  net/http.(*Transport).getConn()
      /home/t-yuki/go/src/_tools/go/src/net/http/transport.go:1041 +0x12c8
  net/http.(*Transport).roundTrip()
      /home/t-yuki/go/src/_tools/go/src/net/http/transport.go:451 +0x8e6
  net/http.(*Transport).RoundTrip()
      /home/t-yuki/go/src/_tools/go/src/net/http/roundtrip.go:17 +0x42
  github.com/aws/aws-xray-sdk-go/xray.(*roundtripper).RoundTrip.func1()
      /home/t-yuki/go/src/github.com/aws/aws-xray-sdk-go/xray/client.go:94 +0x87c
  github.com/aws/aws-xray-sdk-go/xray.Capture()
      /home/t-yuki/go/src/github.com/aws/aws-xray-sdk-go/xray/capture.go:45 +0x13f
  github.com/aws/aws-xray-sdk-go/xray.(*roundtripper).RoundTrip()
      /home/t-yuki/go/src/github.com/aws/aws-xray-sdk-go/xray/client.go:65 +0x18d
  github.com/aws/aws-xray-sdk-go/xray.TestRoundTripReuseDatarace.func2()
      /home/t-yuki/go/src/github.com/aws/aws-xray-sdk-go/xray/client_test.go:268 +0x326

Previous write at 0x00c000439818 by goroutine 126:
  github.com/aws/aws-xray-sdk-go/xray.BeginSubsegment()
      /home/t-yuki/go/src/github.com/aws/aws-xray-sdk-go/xray/segment.go:197 +0x405
  github.com/aws/aws-xray-sdk-go/xray.(*HTTPSubsegments).DNSStart()
      /home/t-yuki/go/src/github.com/aws/aws-xray-sdk-go/xray/httptrace.go:51 +0xe0
  github.com/aws/aws-xray-sdk-go/xray.NewClientTrace.func2()
      /home/t-yuki/go/src/github.com/aws/aws-xray-sdk-go/xray/httptrace.go:210 +0x55
  net/http/httptrace.WithClientTrace.func1()
      /home/t-yuki/go/src/_tools/go/src/net/http/httptrace/trace.go:49 +0x6d
  net.(*Resolver).LookupIPAddr()
      /home/t-yuki/go/src/_tools/go/src/net/lookup.go:202 +0xe94
  net.(*Resolver).internetAddrList()
      /home/t-yuki/go/src/_tools/go/src/net/ipsock.go:279 +0x8a7
  net.(*Resolver).resolveAddrList()
      /home/t-yuki/go/src/_tools/go/src/net/dial.go:202 +0x5d8
  net.(*Dialer).DialContext()
      /home/t-yuki/go/src/_tools/go/src/net/dial.go:384 +0x30f
  net.(*Dialer).DialContext-fm()
      /home/t-yuki/go/src/_tools/go/src/net/http/transport.go:48 +0x99
  net/http.(*Transport).dial()
      /home/t-yuki/go/src/_tools/go/src/net/http/transport.go:916 +0x328
  net/http.(*Transport).dialConn()
      /home/t-yuki/go/src/_tools/go/src/net/http/transport.go:1240 +0x4cf
  net/http.(*Transport).getConn.func4()
      /home/t-yuki/go/src/_tools/go/src/net/http/transport.go:999 +0xca

Goroutine 70 (running) created at:
  github.com/aws/aws-xray-sdk-go/xray.TestRoundTripReuseDatarace()
      /home/t-yuki/go/src/github.com/aws/aws-xray-sdk-go/xray/client_test.go:262 +0x10b
  testing.tRunner()
      /home/t-yuki/go/src/_tools/go/src/testing/testing.go:827 +0x162

Goroutine 126 (running) created at:
  net/http.(*Transport).getConn()
      /home/t-yuki/go/src/_tools/go/src/net/http/transport.go:998 +0x625
  net/http.(*Transport).roundTrip()
      /home/t-yuki/go/src/_tools/go/src/net/http/transport.go:451 +0x8e6
  net/http.(*Transport).RoundTrip()
      /home/t-yuki/go/src/_tools/go/src/net/http/roundtrip.go:17 +0x42
  github.com/aws/aws-xray-sdk-go/xray.(*roundtripper).RoundTrip.func1()
      /home/t-yuki/go/src/github.com/aws/aws-xray-sdk-go/xray/client.go:94 +0x87c
  github.com/aws/aws-xray-sdk-go/xray.Capture()
      /home/t-yuki/go/src/github.com/aws/aws-xray-sdk-go/xray/capture.go:45 +0x13f
  github.com/aws/aws-xray-sdk-go/xray.(*roundtripper).RoundTrip()
      /home/t-yuki/go/src/github.com/aws/aws-xray-sdk-go/xray/client.go:65 +0x18d
  github.com/aws/aws-xray-sdk-go/xray.TestRoundTripReuseDatarace.func2()
      /home/t-yuki/go/src/github.com/aws/aws-xray-sdk-go/xray/client_test.go:268 +0x326
==================
exit status 66
FAIL	github.com/aws/aws-xray-sdk-go/xray	0.032s