github.com/cockroachdb/cockroach/pkg/kv/kvclient/kvcoord.(*grpcTransport).sendBatch()
      /go/src/github.com/cockroachdb/cockroach/pkg/kv/kvclient/kvcoord/transport.go:157 +0x1e5
  github.com/cockroachdb/cockroach/pkg/kv/kvclient/kvcoord.(*grpcTransport).SendNext()
      /go/src/github.com/cockroachdb/cockroach/pkg/kv/kvclient/kvcoord/transport.go:139 +0x273
  github.com/cockroachdb/cockroach/pkg/kv/kvclient/kvcoord.raceTransport.SendNext()
      /go/src/github.com/cockroachdb/cockroach/pkg/kv/kvclient/kvcoord/transport_race.go:78 +0x423
  github.com/cockroachdb/cockroach/pkg/kv/kvclient/kvcoord.(*raceTransport).SendNext()
      <autogenerated>:1 +0x108
  github.com/cockroachdb/cockroach/pkg/kv/kvclient/kvcoord.(*DistSender).sendToReplicas()
      /go/src/github.com/cockroachdb/cockroach/pkg/kv/kvclient/kvcoord/dist_sender.go:1874 +0xa5a
  github.com/cockroachdb/cockroach/pkg/kv/kvclient/kvcoord.(*DistSender).sendPartialBatch()
      /go/src/github.com/cockroachdb/cockroach/pkg/kv/kvclient/kvcoord/dist_sender.go:1495 +0x3cd
  github.com/cockroachdb/cockroach/pkg/kv/kvclient/kvcoord.(*DistSender).divideAndSendBatchToRanges()
      /go/src/github.com/cockroachdb/cockroach/pkg/kv/kvclient/kvcoord/dist_sender.go:1133 +0x1eca
  github.com/cockroachdb/cockroach/pkg/kv/kvclient/kvcoord.(*DistSender).Send()
      /go/src/github.com/cockroachdb/cockroach/pkg/kv/kvclient/kvcoord/dist_sender.go:772 +0xab3
  github.com/cockroachdb/cockroach/pkg/kv.(*CrossRangeTxnWrapperSender).Send()
      /go/src/github.com/cockroachdb/cockroach/pkg/kv/db.go:219 +0xfc
  github.com/cockroachdb/cockroach/pkg/kv.(*DB).sendUsingSender()
      /go/src/github.com/cockroachdb/cockroach/pkg/kv/db.go:744 +0x1ad
  github.com/cockroachdb/cockroach/pkg/kv.(*DB).send-fm()
      /go/src/github.com/cockroachdb/cockroach/pkg/kv/db.go:726 +0xf6
  github.com/cockroachdb/cockroach/pkg/kv.sendAndFill()
      /go/src/github.com/cockroachdb/cockroach/pkg/kv/db.go:654 +0x182
  github.com/cockroachdb/cockroach/pkg/kv.(*DB).Run()
      /go/src/github.com/cockroachdb/cockroach/pkg/kv/db.go:677 +0xd1
  github.com/cockroachdb/cockroach/pkg/kv.(*DB).AdminChangeReplicas()
      /go/src/github.com/cockroachdb/cockroach/pkg/kv/db.go:592 +0x166
  github.com/cockroachdb/cockroach/pkg/kv/kvserver_test.TestRandomConcurrentAdminChangeReplicasRequests.func2()
      /go/src/github.com/cockroachdb/cockroach/pkg/kv/kvserver/client_replica_test.go:2230 +0x1e6
  github.com/cockroachdb/cockroach/pkg/kv/kvserver_test.TestRandomConcurrentAdminChangeReplicasRequests.func3()
      /go/src/github.com/cockroachdb/cockroach/pkg/kv/kvserver/client_replica_test.go:2237 +0x38

Goroutine 207 (running) created at:
  github.com/cockroachdb/cockroach/pkg/kv/kvserver_test.TestRandomConcurrentAdminChangeReplicasRequests()
      /go/src/github.com/cockroachdb/cockroach/pkg/kv/kvserver/client_replica_test.go:2237 +0x6e2
  github.com/cockroachdb/cockroach/pkg/kv/kvserver_test.TestRandomConcurrentAdminChangeReplicasRequests()
      /go/src/github.com/cockroachdb/cockroach/pkg/kv/kvserver/client_replica_test.go:2200 +0x190
  testing.tRunner()
      /usr/local/go/src/testing/testing.go:909 +0x199

Goroutine 351 (running) created at:
  github.com/cockroachdb/cockroach/pkg/kv/kvserver_test.TestRandomConcurrentAdminChangeReplicasRequests()
      /go/src/github.com/cockroachdb/cockroach/pkg/kv/kvserver/client_replica_test.go:2237 +0x6e2
  github.com/cockroachdb/cockroach/pkg/kv/kvserver_test.TestRandomConcurrentAdminChangeReplicasRequests()
      /go/src/github.com/cockroachdb/cockroach/pkg/kv/kvserver/client_replica_test.go:2200 +0x190
  testing.tRunner()
      /usr/local/go/src/testing/testing.go:909 +0x199
==================
FAIL	github.com/cockroachdb/cockroach/pkg/kv/kvserver	439.207s