data race

WARNING: DATA RACE
Read at 0x00c420444410 by goroutine 47:
  gx/ipfs/QmTnsezaB1wWNRHeHnYrm8K4d5i9wtyj3GsqjC3Rt5b5v5/go-multistream.(*lazyConn).Write()
      /home/kubuxu/go/src/gx/ipfs/QmTnsezaB1wWNRHeHnYrm8K4d5i9wtyj3GsqjC3Rt5b5v5/go-multistream/lazy.go:114 +0x48
  gx/ipfs/QmapADMpK4e5kFGBxC2aHreaDqKP9vmMng5f91MA14Ces9/go-libp2p/p2p/host/basic.(*streamWrapper).Write()
      /home/kubuxu/go/src/gx/ipfs/QmapADMpK4e5kFGBxC2aHreaDqKP9vmMng5f91MA14Ces9/go-libp2p/p2p/host/basic/basic_host.go:462 +0x75
  gx/ipfs/QmZ4Qi3GaRbjcx28Sme5eMH7RQjGkt8wHxt2a65oLaeFEV/gogo-protobuf/io.(*varintWriter).WriteMsg()
      /home/kubuxu/go/src/gx/ipfs/QmZ4Qi3GaRbjcx28Sme5eMH7RQjGkt8wHxt2a65oLaeFEV/gogo-protobuf/io/varint.go:74 +0x259
  gx/ipfs/QmapADMpK4e5kFGBxC2aHreaDqKP9vmMng5f91MA14Ces9/go-libp2p/p2p/protocol/identify.(*IDService).RequestHandler()
      /home/kubuxu/go/src/gx/ipfs/QmapADMpK4e5kFGBxC2aHreaDqKP9vmMng5f91MA14Ces9/go-libp2p/p2p/protocol/identify/id.go:133 +0x360
  gx/ipfs/QmapADMpK4e5kFGBxC2aHreaDqKP9vmMng5f91MA14Ces9/go-libp2p/p2p/protocol/identify.(*IDService).RequestHandler-fm()
      /home/kubuxu/go/src/gx/ipfs/QmapADMpK4e5kFGBxC2aHreaDqKP9vmMng5f91MA14Ces9/go-libp2p/p2p/protocol/identify/id.go:65 +0x55
  gx/ipfs/QmapADMpK4e5kFGBxC2aHreaDqKP9vmMng5f91MA14Ces9/go-libp2p/p2p/host/basic.(*BasicHost).SetStreamHandler.func1()
      /home/kubuxu/go/src/gx/ipfs/QmapADMpK4e5kFGBxC2aHreaDqKP9vmMng5f91MA14Ces9/go-libp2p/p2p/host/basic/basic_host.go:263 +0xb4

Previous write at 0x00c420444410 by goroutine 24:
  gx/ipfs/QmTnsezaB1wWNRHeHnYrm8K4d5i9wtyj3GsqjC3Rt5b5v5/go-multistream.(*MultistreamMuxer).NegotiateLazy.func1()
      /home/kubuxu/go/src/gx/ipfs/QmTnsezaB1wWNRHeHnYrm8K4d5i9wtyj3GsqjC3Rt5b5v5/go-multistream/multistream.go:189 +0x358

Goroutine 47 (running) created at:
  gx/ipfs/QmapADMpK4e5kFGBxC2aHreaDqKP9vmMng5f91MA14Ces9/go-libp2p/p2p/host/basic.(*BasicHost).newStreamHandler()
      /home/kubuxu/go/src/gx/ipfs/QmapADMpK4e5kFGBxC2aHreaDqKP9vmMng5f91MA14Ces9/go-libp2p/p2p/host/basic/basic_host.go:227 +0xafe
  gx/ipfs/QmapADMpK4e5kFGBxC2aHreaDqKP9vmMng5f91MA14Ces9/go-libp2p/p2p/host/basic.(*BasicHost).(gx/ipfs/QmapADMpK4e5kFGBxC2aHreaDqKP9vmMng5f91MA14Ces9/go-libp2p/p2p/host/basic.newStreamHandler)-fm()
      /home/kubuxu/go/src/gx/ipfs/QmapADMpK4e5kFGBxC2aHreaDqKP9vmMng5f91MA14Ces9/go-libp2p/p2p/host/basic/basic_host.go:142 +0x55
  gx/ipfs/QmaijwHnbD4SabGA8C2fN9gchptLvRe2RxqTU5XkjAGBw5/go-libp2p-swarm.(*Swarm).SetStreamHandler.func1()
      /home/kubuxu/go/src/gx/ipfs/QmaijwHnbD4SabGA8C2fN9gchptLvRe2RxqTU5XkjAGBw5/go-libp2p-swarm/swarm.go:269 +0x52
  gx/ipfs/Qma887khroMXGLJuHLYqqDZXHivAfFPxd2hQ8Z5kucMWTM/go-peerstream.(*Swarm).addConn.func1()
      /home/kubuxu/go/src/gx/ipfs/Qma887khroMXGLJuHLYqqDZXHivAfFPxd2hQ8Z5kucMWTM/go-peerstream/conn.go:213 +0x92

Goroutine 24 (finished) created at:
  gx/ipfs/QmTnsezaB1wWNRHeHnYrm8K4d5i9wtyj3GsqjC3Rt5b5v5/go-multistream.(*MultistreamMuxer).NegotiateLazy()
      /home/kubuxu/go/src/gx/ipfs/QmTnsezaB1wWNRHeHnYrm8K4d5i9wtyj3GsqjC3Rt5b5v5/go-multistream/multistream.go:190 +0x222
  gx/ipfs/QmapADMpK4e5kFGBxC2aHreaDqKP9vmMng5f91MA14Ces9/go-libp2p/p2p/host/basic.(*BasicHost).newStreamHandler()
      /home/kubuxu/go/src/gx/ipfs/QmapADMpK4e5kFGBxC2aHreaDqKP9vmMng5f91MA14Ces9/go-libp2p/p2p/host/basic/basic_host.go:191 +0x125
  gx/ipfs/QmapADMpK4e5kFGBxC2aHreaDqKP9vmMng5f91MA14Ces9/go-libp2p/p2p/host/basic.(*BasicHost).(gx/ipfs/QmapADMpK4e5kFGBxC2aHreaDqKP9vmMng5f91MA14Ces9/go-libp2p/p2p/host/basic.newStreamHandler)-fm()
      /home/kubuxu/go/src/gx/ipfs/QmapADMpK4e5kFGBxC2aHreaDqKP9vmMng5f91MA14Ces9/go-libp2p/p2p/host/basic/basic_host.go:142 +0x55
  gx/ipfs/QmaijwHnbD4SabGA8C2fN9gchptLvRe2RxqTU5XkjAGBw5/go-libp2p-swarm.(*Swarm).SetStreamHandler.func1()
      /home/kubuxu/go/src/gx/ipfs/QmaijwHnbD4SabGA8C2fN9gchptLvRe2RxqTU5XkjAGBw5/go-libp2p-swarm/swarm.go:269 +0x52
  gx/ipfs/Qma887khroMXGLJuHLYqqDZXHivAfFPxd2hQ8Z5kucMWTM/go-peerstream.(*Swarm).addConn.func1()
      /home/kubuxu/go/src/gx/ipfs/Qma887khroMXGLJuHLYqqDZXHivAfFPxd2hQ8Z5kucMWTM/go-peerstream/conn.go:213 +0x92