Panic: concurrent map iteration and map write

From the [travis logs](https://travis-ci.org/src-d/lookout/jobs/484300840#L768):

<details>
<summary>log copy</summary>

```
lookoutd exited with error: exit status 2
output:
time="2019-01-25T10:49:11.505690698Z" level=info msg="starting lookoutd" app=lookoutd build="01-25-2019_10_47_54" conf="main.Config{Config:server.Config{Analyzers:[]lookout.AnalyzerConfig{lookout.AnalyzerConfig{Name:"Dummy1",Addr:"ipv4://localhost:9930",Disabled:false,Feedback:"",Settings:map[string]interface{}{}},lookout.AnalyzerConfig{Name:"Dummy2",Addr:"ipv4://localhost:10303",Disabled:false,Feedback:"",Settings:map[string]interface{}{}}}},Providers:struct{Github github.ProviderConfig}{Github:github.ProviderConfig{CommentFooter:"",PrivateKey:"",AppID:0,InstallationSyncInterval:"",WatchMinInterval:""}},Repositories:[]main.RepoConfig{};,Timeout:main.TimeoutConfig{AnalyzerReview:600000000000,AnalyzerPush:3600000000000,GithubRequest:60000000000,GitFetch:1200000000000,BblfshParse:120000000000}}" options="main.lookoutdCommand{lookoutdBaseCommand:main.lookoutdBaseCommand{LogOptions:cli.LogOptions{LogOptions:cli.LogOptions{LogLevel:"info",LogFormat:"",LogFields:"",LogForceFormat:false}},ConfigFile:"../../fixtures/double_dummy_config.yml"},GithubUser:"",GithubToken:"****",Provider:"json",ProbesAddr:"0.0.0.0:8090",pool:nil,probeReadiness:false,conf:main.Config{Config:server.Config{Analyzers:nil},Providers:struct{Github github.ProviderConfig}{Github:github.ProviderConfig{CommentFooter:"",PrivateKey:"",AppID:0,InstallationSyncInterval:"",WatchMinInterval:""}},Repositories:nil,Timeout:main.TimeoutConfig{AnalyzerReview:0,AnalyzerPush:0,GithubRequest:0,GitFetch:0,BblfshParse:0}}}" version=dev-9f47243
time="2019-01-25T10:49:11.50747064Z" level=info msg="listening to health probe HTTP requests" addr="0.0.0.0:8090" app=lookoutd paths=[/health/liveness /health/readiness]
time="2019-01-25T10:49:11.513306362Z" level=info msg="connection with the DB established" app=lookoutd
time="2019-01-25T10:49:11.513488153Z" level=info msg="connection state changed to 'IDLE'" addr="ipv4://localhost:9930" analyzer=Dummy1 app=lookoutd
time="2019-01-25T10:49:11.513607147Z" level=info msg="connection state changed to 'CONNECTING'" addr="ipv4://localhost:9930" analyzer=Dummy1 app=lookoutd
time="2019-01-25T10:49:11.513938696Z" level=info msg="Starting watcher" app=lookoutd provider=json
time="2019-01-25T10:49:11.514018807Z" level=warning msg="connection failed" addr="ipv4://localhost:9930" analyzer=Dummy1 app=lookoutd
time="2019-01-25T10:49:11.514039348Z" level=info msg="connection state changed to 'IDLE'" addr="ipv4://localhost:10303" analyzer=Dummy2 app=lookoutd
time="2019-01-25T10:49:11.515873703Z" level=warning msg="connection failed" addr="ipv4://localhost:10303" analyzer=Dummy2 app=lookoutd
time="2019-01-25T10:49:11.514772623Z" level=info msg="connection state changed to 'CONNECTING'" addr="localhost:9432" app=lookoutd name=bblfsh-proxy
time="2019-01-25T10:49:11.515888934Z" level=info msg="connection state changed to 'READY'" addr="localhost:9432" app=lookoutd name=bblfsh-proxy
time="2019-01-25T10:49:12.514372461Z" level=info msg="connection state changed to 'CONNECTING'" addr="ipv4://localhost:9930" analyzer=Dummy1 app=lookoutd
time="2019-01-25T10:49:12.514641897Z" level=info msg="connection state changed to 'READY'" addr="ipv4://localhost:9930" analyzer=Dummy1 app=lookoutd
time="2019-01-25T10:49:12.515202906Z" level=info msg="connection state changed to 'CONNECTING'" addr="ipv4://localhost:10303" analyzer=Dummy2 app=lookoutd
time="2019-01-25T10:49:12.515585918Z" level=warning msg="connection failed" addr="ipv4://localhost:10303" analyzer=Dummy2 app=lookoutd
time="2019-01-25T10:49:13.951547291Z" level=info msg="connection state changed to 'CONNECTING'" addr="ipv4://localhost:10303" analyzer=Dummy2 app=lookoutd
time="2019-01-25T10:49:13.951658302Z" level=info msg="connection state changed to 'READY'" addr="ipv4://localhost:10303" analyzer=Dummy2 app=lookoutd
time="2019-01-25T10:49:14.524329871Z" level=info msg="processing pull request" app=lookoutd event-id=16ee0f607886b841c7633ab4cea5334cbc2022a1 event-type="*pb.ReviewEvent" head=refs/heads/new_go_file provider= repo="https://github.com/src-d/lookout-test-fixtures.git"
time="2019-01-25T10:49:14.524558831Z" level=info msg="fetching references for repository https://github.com/src-d/lookout-test-fixtures.git: [refs/heads/new_go_file:refs/heads/new_go_file]" app=lookoutd event-id=16ee0f607886b841c7633ab4cea5334cbc2022a1 event-type="*pb.ReviewEvent" head=refs/heads/new_go_file provider= repo="https://github.com/src-d/lookout-test-fixtures.git"
time="2019-01-25T10:49:14.751074806Z" level=info msg="repository config is not found" app=lookoutd event-id=16ee0f607886b841c7633ab4cea5334cbc2022a1 event-type="*pb.ReviewEvent" head=refs/heads/new_go_file provider= repo="https://github.com/src-d/lookout-test-fixtures.git"
time="2019-01-25T10:49:14.751137074Z" level=info msg="New status" app=lookoutd event-id=16ee0f607886b841c7633ab4cea5334cbc2022a1 event-type="*pb.ReviewEvent" head=refs/heads/new_go_file provider= repo="https://github.com/src-d/lookout-test-fixtures.git" status=pending
fatal error: time="2019-01-25T10:49:14.751296721Z" level=info msg="gRPC unary client call started" analyzer=Dummy1 app=lookoutd event-id=16ee0f607886b841c7633ab4cea5334cbc2022a1 event-type="*pb.ReviewEvent" grpc.method=NotifyReviewEvent grpc.service=pb.Analyzer head=refs/heads/new_go_file provider= repo="https://github.com/src-d/lookout-test-fixtures.git" span.kind=client system=grpc
concurrent map iteration and map write

goroutine 80 [running]:
runtime.throw(0x10a4caf, 0x26)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/runtime/panic.go:608 +0x72 fp=0xc000b01b38 sp=0xc000b01b08 pc=0x42dd62
runtime.mapiternext(0xc000b01c20)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/runtime/map.go:790 +0x525 fp=0xc000b01bc0 sp=0xc000b01b38 pc=0x410995
github.com/src-d/lookout/vendor/gopkg.in/src-d/go-log%2ev1.(*LoggerFactory).setFields(0xc000278580, 0xc000c9b720, 0xc000b19380, 0x0, 0x40e201, 0x30, 0xf0ae40)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/gopkg.in/src-d/go-log.v1/factory.go:189 +0xcb fp=0xc000b01c90 sp=0xc000b01bc0 pc=0x8470db
github.com/src-d/lookout/vendor/gopkg.in/src-d/go-log%2ev1.(*LoggerFactory).New(0xc000278580, 0xc000b19380, 0x122a358, 0x122a340, 0x92b401, 0x1244bc0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/gopkg.in/src-d/go-log.v1/factory.go:77 +0x15f fp=0xc000b01cf0 sp=0xc000b01c90 pc=0x84674f
github.com/src-d/lookout/vendor/gopkg.in/src-d/go-log%2ev1.New(0xc000b19380, 0xde0160, 0x122a340)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/gopkg.in/src-d/go-log.v1/default.go:37 +0x45 fp=0xc000b01d30 sp=0xc000b01cf0 pc=0x846175
github.com/src-d/lookout/util/ctxlog.Get(0x1244c80, 0xc000e921b0, 0xc000b19380, 0x1244c80)
	/home/travis/gopath/src/github.com/src-d/lookout/util/ctxlog/context.go:25 +0x78 fp=0xc000b01d68 sp=0xc000b01d30 pc=0x92b008
github.com/src-d/lookout/util/ctxlog.WithLogFields(0x1244c80, 0xc000e921b0, 0xc000e92180, 0x8, 0xc000bd4e08, 0x1244bc0, 0xc0000893c0)
	/home/travis/gopath/src/github.com/src-d/lookout/util/ctxlog/context.go:57 +0x1b8 fp=0xc000b01e18 sp=0xc000b01d68 pc=0x92b2b8
github.com/src-d/lookout/server.(*Server).concurrentRequest.func1(0xc000297620, 0xc000cb8960, 0x0, 0xc000ce7360, 0xc0001e0300, 0xc000031620, 0xc000092c60, 0xc00003a6f8, 0x6, 0x123e2a0, ...)
	/home/travis/gopath/src/github.com/src-d/lookout/server/server.go:302 +0x15f fp=0xc000b01f48 sp=0xc000b01e18 pc=0xc0dc0f
runtime.goexit()
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/runtime/asm_amd64.s:1333 +0x1 fp=0xc000b01f50 sp=0xc000b01f48 pc=0x45dd91
created by github.com/src-d/lookout/server.(*Server).concurrentRequest
	/home/travis/gopath/src/github.com/src-d/lookout/server/server.go:298 +0x444

goroutine 1 [select]:
main.(*ServeCommand).ExecuteContext(0xc0001bd520, 0x1244bc0, 0xc000278800, 0xc00029c1e0, 0x0, 0x5, 0xe63f00, 0xf56020)
	/home/travis/gopath/src/github.com/src-d/lookout/cmd/lookoutd/serve.go:108 +0x71e
github.com/src-d/lookout/vendor/gopkg.in/src-d/go-cli%2ev0.executeContextCommander(0x2ababc8c9880, 0xc0001bd520, 0xc00029c1e0, 0x0, 0x5, 0x1, 0x2ababc8c9840)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/gopkg.in/src-d/go-cli.v0/context.go:37 +0x9e
github.com/src-d/lookout/vendor/gopkg.in/src-d/go-cli%2ev0.(*App).commandHandler(0xc000a24c60, 0x2ababc8c9840, 0xc0001bd520, 0xc00029c1e0, 0x0, 0x5, 0xcd9201, 0x2ababc8c9840)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/gopkg.in/src-d/go-cli.v0/cli.go:97 +0xc1
github.com/src-d/lookout/vendor/gopkg.in/src-d/go-cli%2ev0.(*App).commandHandler-fm(0x2ababc8c9840, 0xc0001bd520, 0xc00029c1e0, 0x0, 0x5, 0x1, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/gopkg.in/src-d/go-cli.v0/cli.go:35 +0x5c
github.com/src-d/lookout/vendor/github.com/jessevdk/go-flags.(*Parser).ParseArgs(0xc000a26420, 0xc0000b4130, 0x5, 0x5, 0xf5a440, 0xc000a50000, 0x0, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/github.com/jessevdk/go-flags/parser.go:314 +0x7c7
github.com/src-d/lookout/vendor/gopkg.in/src-d/go-cli%2ev0.(*App).Run(0xc000a24c60, 0xc0000b4120, 0x6, 0x6, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/gopkg.in/src-d/go-cli.v0/cli.go:51 +0xa9
github.com/src-d/lookout/vendor/gopkg.in/src-d/go-cli%2ev0.(*App).RunMain(0xc000a24c60)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/gopkg.in/src-d/go-cli.v0/cli.go:69 +0x4f
main.main()
	/home/travis/gopath/src/github.com/src-d/lookout/cmd/lookoutd/main.go:14 +0x2d

goroutine 21 [syscall]:
os/signal.signal_recv(0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/runtime/sigqueue.go:139 +0x9c
os/signal.loop()
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/os/signal/signal_unix.go:23 +0x22
created by os/signal.init.0
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/os/signal/signal_unix.go:29 +0x41

goroutine 24 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*addrConn).transportMonitor(0xc000ab6000)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/clientconn.go:1384 +0x1c1
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*addrConn).connect.func1(0xc000ab6000)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/clientconn.go:960 +0x1b2
created by github.com/src-d/lookout/vendor/google.golang.org/grpc.(*addrConn).connect
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/clientconn.go:951 +0xe1

goroutine 23 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*ccBalancerWrapper).watcher(0xc0000880c0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/balancer_conn_wrappers.go:122 +0x10f
created by github.com/src-d/lookout/vendor/google.golang.org/grpc.newCCBalancerWrapper
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/balancer_conn_wrappers.go:113 +0x13d

goroutine 5 [select]:
github.com/src-d/lookout/vendor/gopkg.in/src-d/go-cli%2ev0.setupContext.func1(0xc000048240, 0x10ca818, 0xc00004fd60, 0xc0000482a0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/gopkg.in/src-d/go-cli.v0/context.go:59 +0xc4
created by github.com/src-d/lookout/vendor/gopkg.in/src-d/go-cli%2ev0.setupContext
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/gopkg.in/src-d/go-cli.v0/context.go:58 +0xd0

goroutine 7 [IO wait]:
internal/poll.runtime_pollWait(0x2ababc87cd60, 0x72, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/runtime/netpoll.go:173 +0x66
internal/poll.(*pollDesc).wait(0xc000195118, 0x72, 0xc000088000, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_poll_runtime.go:85 +0x9a
internal/poll.(*pollDesc).waitRead(0xc000195118, 0xffffffffffffff00, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_poll_runtime.go:90 +0x3d
internal/poll.(*FD).Accept(0xc000195100, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_unix.go:384 +0x1a0
net.(*netFD).accept(0xc000195100, 0xc000415c00, 0x30, 0x30)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/fd_unix.go:238 +0x42
net.(*TCPListener).accept(0xc0000b32d8, 0x50, 0x2ababc8286c0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/tcpsock_posix.go:139 +0x2e
net.(*TCPListener).AcceptTCP(0xc0000b32d8, 0x40e228, 0x30, 0xf0ae40)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/tcpsock.go:247 +0x47
net/http.tcpKeepAliveListener.Accept(0xc0000b32d8, 0xf0ae40, 0xc000a0b1d0, 0xe3d600, 0x1d6dcd0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/http/server.go:3232 +0x2f
net/http.(*Server).Serve(0xc0009b7ad0, 0x1244940, 0xc0000b32d8, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/http/server.go:2826 +0x22f
net/http.(*Server).ListenAndServe(0xc0009b7ad0, 0xc0009b7ad0, 0x27)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/http/server.go:2764 +0xb6
net/http.ListenAndServe(0xeb5672, 0xc, 0x0, 0x0, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/http/server.go:3004 +0x74
main.(*lookoutdCommand).startHealthProbes(0xc0001bd520, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/cmd/lookoutd/common.go:317 +0x2dc
main.(*ServeCommand).ExecuteContext.func1(0xc0001bd520, 0x1244bc0, 0xc000278800, 0xc000a26ae0)
	/home/travis/gopath/src/github.com/src-d/lookout/cmd/lookoutd/serve.go:28 +0x31
created by main.(*ServeCommand).ExecuteContext
	/home/travis/gopath/src/github.com/src-d/lookout/cmd/lookoutd/serve.go:27 +0xe1

goroutine 8 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*ccResolverWrapper).watcher(0xc000a4f230)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/resolver_conn_wrapper.go:109 +0x142
created by github.com/src-d/lookout/vendor/google.golang.org/grpc.(*ccResolverWrapper).start
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/resolver_conn_wrapper.go:95 +0x3f

goroutine 9 [select]:
database/sql.(*DB).connectionOpener(0xc000a420c0, 0x1244bc0, 0xc000278940)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/database/sql/sql.go:1001 +0xe8
created by database/sql.OpenDB
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/database/sql/sql.go:671 +0x15d

goroutine 10 [select]:
database/sql.(*DB).connectionResetter(0xc000a420c0, 0x1244bc0, 0xc000278940)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/database/sql/sql.go:1014 +0xfb
created by database/sql.OpenDB
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/database/sql/sql.go:672 +0x193

goroutine 12 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*ccBalancerWrapper).watcher(0xc000279100)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/balancer_conn_wrappers.go:122 +0x10f
created by github.com/src-d/lookout/vendor/google.golang.org/grpc.newCCBalancerWrapper
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/balancer_conn_wrappers.go:113 +0x13d

goroutine 28 [IO wait]:
internal/poll.runtime_pollWait(0x2ababc87ce30, 0x72, 0xc000a3dbb8)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/runtime/netpoll.go:173 +0x66
internal/poll.(*pollDesc).wait(0xc000195098, 0x72, 0xffffffffffffff00, 0x123b7c0, 0x1d208b8)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_poll_runtime.go:85 +0x9a
internal/poll.(*pollDesc).waitRead(0xc000195098, 0xc000ac4000, 0x8000, 0x8000)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_poll_runtime.go:90 +0x3d
internal/poll.(*FD).Read(0xc000195080, 0xc000ac4000, 0x8000, 0x8000, 0x0, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_unix.go:169 +0x179
net.(*netFD).Read(0xc000195080, 0xc000ac4000, 0x8000, 0x8000, 0x12, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/fd_unix.go:202 +0x4f
net.(*conn).Read(0xc0000b32e8, 0xc000ac4000, 0x8000, 0x8000, 0x0, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/net.go:177 +0x68
bufio.(*Reader).Read(0xc000030c00, 0xc000186118, 0x9, 0x9, 0x30, 0x28, 0xef8ee0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/bufio/bufio.go:216 +0x22f
io.ReadAtLeast(0x1238340, 0xc000030c00, 0xc000186118, 0x9, 0x9, 0x9, 0xc000a0b320, 0x4034ee, 0xc000a3de9b)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/io/io.go:310 +0x88
io.ReadFull(0x1238340, 0xc000030c00, 0xc000186118, 0x9, 0x9, 0x7aab1a, 0xc000a0b350, 0xc000a00004)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/io/io.go:329 +0x58
github.com/src-d/lookout/vendor/golang.org/x/net/http2.readFrameHeader(0xc000186118, 0x9, 0x9, 0x1238340, 0xc000030c00, 0x0, 0x0, 0xc000a0b350, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/golang.org/x/net/http2/frame.go:237 +0x7b
github.com/src-d/lookout/vendor/golang.org/x/net/http2.(*Framer).ReadFrame(0xc0001860e0, 0xc000a0b350, 0xc000a0b300, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/golang.org/x/net/http2/frame.go:492 +0xa3
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.(*http2Client).reader(0xc0000d06c0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_client.go:1135 +0x12b
created by github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.newHTTP2Client
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_client.go:270 +0xad7

goroutine 29 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.(*controlBuffer).get(0xc000088300, 0x1, 0x0, 0x0, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/controlbuf.go:300 +0x103
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.(*loopyWriter).run(0xc000030cc0, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/controlbuf.go:387 +0x1ac
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.newHTTP2Client.func3(0xc0000d06c0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_client.go:303 +0x7b
created by github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.newHTTP2Client
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_client.go:301 +0xc3a

goroutine 30 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*ccResolverWrapper).watcher(0xc000a0bb90)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/resolver_conn_wrapper.go:109 +0x142
created by github.com/src-d/lookout/vendor/google.golang.org/grpc.(*ccResolverWrapper).start
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/resolver_conn_wrapper.go:95 +0x3f

goroutine 31 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*ClientConn).WaitForStateChange(0xc000af0000, 0x1244c00, 0xc0000b0010, 0x2, 0x1)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/clientconn.go:719 +0x101
github.com/src-d/lookout/util/grpchelper.LogConnStatusChanges(0x1244c00, 0xc0000b0010, 0x1248ca0, 0xc000031380, 0xc000af0000)
	/home/travis/gopath/src/github.com/src-d/lookout/util/grpchelper/helper.go:62 +0xbe
created by main.(*queueConsumerCommand).startAnalyzer
	/home/travis/gopath/src/github.com/src-d/lookout/cmd/lookoutd/common.go:354 +0x51d

goroutine 32 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*ccResolverWrapper).watcher(0xc000a0bd10)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/resolver_conn_wrapper.go:109 +0x142
created by github.com/src-d/lookout/vendor/google.golang.org/grpc.(*ccResolverWrapper).start
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/resolver_conn_wrapper.go:95 +0x3f

goroutine 33 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*ClientConn).WaitForStateChange(0xc000af0300, 0x1244c00, 0xc0000b0010, 0x2, 0x1)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/clientconn.go:719 +0x101
github.com/src-d/lookout/util/grpchelper.LogConnStatusChanges(0x1244c00, 0xc0000b0010, 0x1248ca0, 0xc000031560, 0xc000af0300)
	/home/travis/gopath/src/github.com/src-d/lookout/util/grpchelper/helper.go:62 +0xbe
created by main.(*queueConsumerCommand).startAnalyzer
	/home/travis/gopath/src/github.com/src-d/lookout/cmd/lookoutd/common.go:354 +0x51d

goroutine 13 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*addrConn).transportMonitor(0xc000198840)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/clientconn.go:1384 +0x1c1
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*addrConn).connect.func1(0xc000198840)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/clientconn.go:960 +0x1b2
created by github.com/src-d/lookout/vendor/google.golang.org/grpc.(*addrConn).connect
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/clientconn.go:951 +0xe1

goroutine 51 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*ccBalancerWrapper).watcher(0xc0002792c0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/balancer_conn_wrappers.go:122 +0x10f
created by github.com/src-d/lookout/vendor/google.golang.org/grpc.newCCBalancerWrapper
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/balancer_conn_wrappers.go:113 +0x13d

goroutine 34 [IO wait]:
internal/poll.runtime_pollWait(0x2ababc87cc90, 0x72, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/runtime/netpoll.go:173 +0x66
internal/poll.(*pollDesc).wait(0xc000a28e18, 0x72, 0xc000278a00, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_poll_runtime.go:85 +0x9a
internal/poll.(*pollDesc).waitRead(0xc000a28e18, 0xffffffffffffff00, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_poll_runtime.go:90 +0x3d
internal/poll.(*FD).Accept(0xc000a28e00, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_unix.go:384 +0x1a0
net.(*netFD).accept(0xc000a28e00, 0xc00000e2d0, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/fd_unix.go:238 +0x42
net.(*TCPListener).accept(0xc00000e290, 0xc000aaee00, 0xc000aaee08, 0x18)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/tcpsock_posix.go:139 +0x2e
net.(*TCPListener).Accept(0xc00000e290, 0x10ca420, 0xc000a501c0, 0x124a8c0, 0xc00000e2d0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/tcpsock.go:260 +0x47
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*Server).Serve(0xc000a501c0, 0x1243dc0, 0xc00000e290, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/server.go:544 +0x210
main.(*queueConsumerCommand).initDataServer.func1(0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/cmd/lookoutd/common.go:416 +0x101
main.(*ServeCommand).ExecuteContext.func2(0xc000abab80, 0x1244bc0, 0xc000278800, 0xc000a26ae0)
	/home/travis/gopath/src/github.com/src-d/lookout/cmd/lookoutd/serve.go:83 +0x2b
created by main.(*ServeCommand).ExecuteContext
	/home/travis/gopath/src/github.com/src-d/lookout/cmd/lookoutd/serve.go:82 +0x57e

goroutine 35 [chan send]:
github.com/src-d/lookout/vendor/gopkg.in/src-d/go-queue.v1/memory.(*JobIter).acquire(...)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/gopkg.in/src-d/go-queue.v1/memory/memory.go:232
github.com/src-d/lookout/vendor/gopkg.in/src-d/go-queue.v1/memory.(*JobIter).Next(0xc000b0c5e0, 0xc000af4f50, 0xc000af4730, 0x1244bc0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/gopkg.in/src-d/go-queue.v1/memory/memory.go:187 +0x1b6
github.com/src-d/lookout/queue.RunEventDequeuer(0x1244bc0, 0xc000278800, 0x1247b00, 0xc0000315c0, 0xc000af4720, 0x1, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/queue/queue.go:110 +0xfa
main.(*queueConsumerCommand).runEventDequeuer(0xc0001bd520, 0x1244bc0, 0xc000278800, 0xfdd159, 0x9, 0xfdd16b, 0x9, 0x1247b00, 0xc0000315c0, 0xc000031620, ...)
	/home/travis/gopath/src/github.com/src-d/lookout/cmd/lookoutd/common.go:483 +0xb0
main.(*ServeCommand).ExecuteContext.func3(0xc0001bd520, 0x1244bc0, 0xc000278800, 0xc000a0bda0, 0xc000031620, 0xc000a26ae0)
	/home/travis/gopath/src/github.com/src-d/lookout/cmd/lookoutd/serve.go:91 +0x8b
created by main.(*ServeCommand).ExecuteContext
	/home/travis/gopath/src/github.com/src-d/lookout/cmd/lookoutd/serve.go:90 +0x5e4

goroutine 36 [select]:
github.com/src-d/lookout/util/cli.RunWatcher(0x1244bc0, 0xc000278800, 0x12387e0, 0xc0000b3358, 0xc000ababe0, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/util/cli/recoverer.go:20 +0x1cd
main.(*lookoutdCommand).runEventEnqueuer(0xc0001bd520, 0x1244bc0, 0xc000278800, 0xfdd159, 0x9, 0xfdd16b, 0x9, 0x1247b00, 0xc0000315c0, 0x12387e0, ...)
	/home/travis/gopath/src/github.com/src-d/lookout/cmd/lookoutd/common.go:471 +0x9d
main.(*ServeCommand).ExecuteContext.func4(0xc0001bd520, 0x1244bc0, 0xc000278800, 0xc000a0bda0, 0x12387e0, 0xc0000b3358, 0xc000a26ae0)
	/home/travis/gopath/src/github.com/src-d/lookout/cmd/lookoutd/serve.go:99 +0x98
created by main.(*ServeCommand).ExecuteContext
	/home/travis/gopath/src/github.com/src-d/lookout/cmd/lookoutd/serve.go:98 +0x657

goroutine 37 [select]:
github.com/src-d/lookout/provider/json.(*Watcher).Watch(0xc0000b3358, 0x1244bc0, 0xc000278800, 0xc000ababe0, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/provider/json/watcher.go:43 +0x20e
github.com/src-d/lookout/util/cli.RunWatcher.func1(0x12387e0, 0xc0000b3358, 0x1244bc0, 0xc000278800, 0xc000ababe0, 0xc000031740)
	/home/travis/gopath/src/github.com/src-d/lookout/util/cli/recoverer.go:16 +0x4f
created by github.com/src-d/lookout/util/cli.RunWatcher
	/home/travis/gopath/src/github.com/src-d/lookout/util/cli/recoverer.go:15 +0x12d

goroutine 52 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*addrConn).transportMonitor(0xc000198b00)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/clientconn.go:1384 +0x1c1
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*addrConn).connect.func1(0xc000198b00)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/clientconn.go:960 +0x1b2
created by github.com/src-d/lookout/vendor/google.golang.org/grpc.(*addrConn).connect
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/clientconn.go:951 +0xe1

goroutine 56 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*ccResolverWrapper).watcher(0xc000a4fcb0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/resolver_conn_wrapper.go:109 +0x142
created by github.com/src-d/lookout/vendor/google.golang.org/grpc.(*ccResolverWrapper).start
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/resolver_conn_wrapper.go:95 +0x3f

goroutine 57 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*ClientConn).WaitForStateChange(0xc000a5e600, 0x1244c00, 0xc0000b0010, 0x2, 0x1)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/clientconn.go:719 +0x101
github.com/src-d/lookout/util/grpchelper.LogConnStatusChanges(0x1244c00, 0xc0000b0010, 0x1248ca0, 0xc000a27c80, 0xc000a5e600)
	/home/travis/gopath/src/github.com/src-d/lookout/util/grpchelper/helper.go:62 +0xbe
created by github.com/src-d/lookout/util/grpchelper.NewBblfshProxyServer
	/home/travis/gopath/src/github.com/src-d/lookout/util/grpchelper/proxy.go:26 +0x2e2

goroutine 59 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*ccBalancerWrapper).watcher(0xc000279640)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/balancer_conn_wrappers.go:122 +0x10f
created by github.com/src-d/lookout/vendor/google.golang.org/grpc.newCCBalancerWrapper
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/balancer_conn_wrappers.go:113 +0x13d

goroutine 60 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*addrConn).transportMonitor(0xc000198dc0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/clientconn.go:1384 +0x1c1
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*addrConn).connect.func1(0xc000198dc0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/clientconn.go:960 +0x1b2
created by github.com/src-d/lookout/vendor/google.golang.org/grpc.(*addrConn).connect
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/clientconn.go:951 +0xe1

goroutine 63 [IO wait]:
internal/poll.runtime_pollWait(0x2ababc87cbc0, 0x72, 0xc000b12bb8)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/runtime/netpoll.go:173 +0x66
internal/poll.(*pollDesc).wait(0xc000a28f98, 0x72, 0xffffffffffffff00, 0x123b7c0, 0x1d208b8)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_poll_runtime.go:85 +0x9a
internal/poll.(*pollDesc).waitRead(0xc000a28f98, 0xc000b1e000, 0x8000, 0x8000)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_poll_runtime.go:90 +0x3d
internal/poll.(*FD).Read(0xc000a28f80, 0xc000b1e000, 0x8000, 0x8000, 0x0, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_unix.go:169 +0x179
net.(*netFD).Read(0xc000a28f80, 0xc000b1e000, 0x8000, 0x8000, 0x9, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/fd_unix.go:202 +0x4f
net.(*conn).Read(0xc00000e2b0, 0xc000b1e000, 0x8000, 0x8000, 0x0, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/net.go:177 +0x68
bufio.(*Reader).Read(0xc000b1a2a0, 0xc000b36038, 0x9, 0x9, 0x30, 0x28, 0xef8ee0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/bufio/bufio.go:216 +0x22f
io.ReadAtLeast(0x1238340, 0xc000b1a2a0, 0xc000b36038, 0x9, 0x9, 0x9, 0xc000b182a0, 0x4034ee, 0xc000b12e9b)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/io/io.go:310 +0x88
io.ReadFull(0x1238340, 0xc000b1a2a0, 0xc000b36038, 0x9, 0x9, 0x7aab1a, 0xc000b18360, 0xc000b10004)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/io/io.go:329 +0x58
github.com/src-d/lookout/vendor/golang.org/x/net/http2.readFrameHeader(0xc000b36038, 0x9, 0x9, 0x1238340, 0xc000b1a2a0, 0x0, 0x0, 0xc000b18360, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/golang.org/x/net/http2/frame.go:237 +0x7b
github.com/src-d/lookout/vendor/golang.org/x/net/http2.(*Framer).ReadFrame(0xc000b36000, 0xc000b18360, 0xc000b18300, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/golang.org/x/net/http2/frame.go:492 +0xa3
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.(*http2Client).reader(0xc000a366c0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_client.go:1135 +0x12b
created by github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.newHTTP2Client
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_client.go:270 +0xad7

goroutine 38 [syscall]:
syscall.Syscall(0x0, 0x0, 0xc000b1c219, 0xde7, 0xc0001d9f00, 0xc000052500, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/syscall/asm_linux_amd64.s:18 +0x5
syscall.read(0x0, 0xc000b1c219, 0xde7, 0xde7, 0xc0001d9f01, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/syscall/zsyscall_linux_amd64.go:732 +0x5a
syscall.Read(0x0, 0xc000b1c219, 0xde7, 0xde7, 0x219, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/syscall/syscall_unix.go:172 +0x49
internal/poll.(*FD).Read(0xc0000b4000, 0xc000b1c219, 0xde7, 0xde7, 0x0, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_unix.go:165 +0x119
os.(*File).read(0xc0000b2000, 0xc000b1c219, 0xde7, 0xde7, 0xe, 0x0, 0x56ccfe)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/os/file_unix.go:249 +0x4e
os.(*File).Read(0xc0000b2000, 0xc000b1c219, 0xde7, 0xde7, 0x4, 0xc000061fb0, 0xc000af2780)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/os/file.go:108 +0x69
bufio.(*Scanner).Scan(0xc000195580, 0xc000061fb0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/bufio/scan.go:213 +0xa6
github.com/src-d/lookout/provider/json.(*Watcher).Watch.func1(0xc0000b3358, 0xc000031aa0)
	/home/travis/gopath/src/github.com/src-d/lookout/provider/json/watcher.go:37 +0x90
created by github.com/src-d/lookout/provider/json.(*Watcher).Watch
	/home/travis/gopath/src/github.com/src-d/lookout/provider/json/watcher.go:36 +0x165

goroutine 64 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.(*controlBuffer).get(0xc0002797c0, 0x1, 0x0, 0x0, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/controlbuf.go:300 +0x103
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.(*loopyWriter).run(0xc000b1a360, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/controlbuf.go:387 +0x1ac
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.newHTTP2Client.func3(0xc000a366c0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_client.go:303 +0x7b
created by github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.newHTTP2Client
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_client.go:301 +0xc3a

goroutine 71 [IO wait]:
internal/poll.runtime_pollWait(0x2ababc87ca20, 0x72, 0xc000a3fbb8)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/runtime/netpoll.go:173 +0x66
internal/poll.(*pollDesc).wait(0xc000a29298, 0x72, 0xffffffffffffff00, 0x123b7c0, 0x1d208b8)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_poll_runtime.go:85 +0x9a
internal/poll.(*pollDesc).waitRead(0xc000a29298, 0xc000b6a000, 0x8000, 0x8000)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_poll_runtime.go:90 +0x3d
internal/poll.(*FD).Read(0xc000a29280, 0xc000b6a000, 0x8000, 0x8000, 0x0, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_unix.go:169 +0x179
net.(*netFD).Read(0xc000a29280, 0xc000b6a000, 0x8000, 0x8000, 0x12, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/fd_unix.go:202 +0x4f
net.(*conn).Read(0xc00000e2c8, 0xc000b6a000, 0x8000, 0x8000, 0x0, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/net.go:177 +0x68
bufio.(*Reader).Read(0xc000b1aa20, 0xc000b363b8, 0x9, 0x9, 0x30, 0x28, 0xef8ee0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/bufio/bufio.go:216 +0x22f
io.ReadAtLeast(0x1238340, 0xc000b1aa20, 0xc000b363b8, 0x9, 0x9, 0x9, 0xc000b188a0, 0x4034ee, 0xc000a3fe9b)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/io/io.go:310 +0x88
io.ReadFull(0x1238340, 0xc000b1aa20, 0xc000b363b8, 0x9, 0x9, 0x7aab1a, 0xc000b188d0, 0xc000b10004)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/io/io.go:329 +0x58
github.com/src-d/lookout/vendor/golang.org/x/net/http2.readFrameHeader(0xc000b363b8, 0x9, 0x9, 0x1238340, 0xc000b1aa20, 0x0, 0x0, 0xc000b188d0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/golang.org/x/net/http2/frame.go:237 +0x7b
github.com/src-d/lookout/vendor/golang.org/x/net/http2.(*Framer).ReadFrame(0xc000b36380, 0xc000b188d0, 0xc000b18800, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/golang.org/x/net/http2/frame.go:492 +0xa3
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.(*http2Client).reader(0xc000a36900)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_client.go:1135 +0x12b
created by github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.newHTTP2Client
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_client.go:270 +0xad7

goroutine 66 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.(*controlBuffer).get(0xc000279980, 0x1, 0x0, 0x0, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/controlbuf.go:300 +0x103
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.(*loopyWriter).run(0xc000b1a5a0, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/controlbuf.go:387 +0x1ac
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.newHTTP2Server.func2(0xc000b16200)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_server.go:277 +0xcb
created by github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.newHTTP2Server
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_server.go:274 +0xd3b

goroutine 67 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.(*http2Server).keepalive(0xc000b16200)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_server.go:875 +0x1ea
created by github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.newHTTP2Server
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_server.go:283 +0xd60

goroutine 68 [IO wait]:
internal/poll.runtime_pollWait(0x2ababc87caf0, 0x72, 0xc000b14b38)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/runtime/netpoll.go:173 +0x66
internal/poll.(*pollDesc).wait(0xc000a29098, 0x72, 0xffffffffffffff00, 0x123b7c0, 0x1d208b8)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_poll_runtime.go:85 +0x9a
internal/poll.(*pollDesc).waitRead(0xc000a29098, 0xc000b38000, 0x8000, 0x8000)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_poll_runtime.go:90 +0x3d
internal/poll.(*FD).Read(0xc000a29080, 0xc000b38000, 0x8000, 0x8000, 0x0, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_unix.go:169 +0x179
net.(*netFD).Read(0xc000a29080, 0xc000b38000, 0x8000, 0x8000, 0x9, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/fd_unix.go:202 +0x4f
net.(*conn).Read(0xc00000e2b8, 0xc000b38000, 0x8000, 0x8000, 0x0, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/net.go:177 +0x68
bufio.(*Reader).Read(0xc000b1a540, 0xc000b361f8, 0x9, 0x9, 0x30, 0x28, 0xef8ee0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/bufio/bufio.go:216 +0x22f
io.ReadAtLeast(0x1238340, 0xc000b1a540, 0xc000b361f8, 0x9, 0x9, 0x9, 0xc000b18570, 0x4034ee, 0xc000b14e1b)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/io/io.go:310 +0x88
io.ReadFull(0x1238340, 0xc000b1a540, 0xc000b361f8, 0x9, 0x9, 0x7aab1a, 0xc000b185d0, 0xc000b10004)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/io/io.go:329 +0x58
github.com/src-d/lookout/vendor/golang.org/x/net/http2.readFrameHeader(0xc000b361f8, 0x9, 0x9, 0x1238340, 0xc000b1a540, 0x0, 0x0, 0xc000b185d0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/golang.org/x/net/http2/frame.go:237 +0x7b
github.com/src-d/lookout/vendor/golang.org/x/net/http2.(*Framer).ReadFrame(0xc000b361c0, 0xc000b185d0, 0xc000b185d0, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/golang.org/x/net/http2/frame.go:492 +0xa3
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.(*http2Server).HandleStreams(0xc000b16200, 0xc000b185a0, 0x10ca478)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_server.go:434 +0x7c
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*Server).serveStreams(0xc000a501c0, 0x124b580, 0xc000b16200)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/server.go:676 +0xdd
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*Server).handleRawConn.func2()
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/server.go:631 +0x3c
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*Server).handleRawConn.func3(0xc000b0c6c0, 0xc000a501c0, 0x2ababc8ce988, 0xc000b16200)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/server.go:639 +0x27
created by github.com/src-d/lookout/vendor/google.golang.org/grpc.(*Server).handleRawConn
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/server.go:638 +0x5f8

goroutine 72 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.(*controlBuffer).get(0xc000279c00, 0x1, 0x0, 0x0, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/controlbuf.go:300 +0x103
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.(*loopyWriter).run(0xc000b1aba0, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/controlbuf.go:387 +0x1ac
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.newHTTP2Client.func3(0xc000a36900)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_client.go:303 +0x7b
created by github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.newHTTP2Client
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_client.go:301 +0xc3a

goroutine 44 [IO wait]:
internal/poll.runtime_pollWait(0x2ababc87c880, 0x72, 0xc000ab1bb8)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/runtime/netpoll.go:173 +0x66
internal/poll.(*pollDesc).wait(0xc000195998, 0x72, 0xffffffffffffff00, 0x123b7c0, 0x1d208b8)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_poll_runtime.go:85 +0x9a
internal/poll.(*pollDesc).waitRead(0xc000195998, 0xc000ba8000, 0x8000, 0x8000)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_poll_runtime.go:90 +0x3d
internal/poll.(*FD).Read(0xc000195980, 0xc000ba8000, 0x8000, 0x8000, 0x0, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_unix.go:169 +0x179
net.(*netFD).Read(0xc000195980, 0xc000ba8000, 0x8000, 0x8000, 0x9, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/fd_unix.go:202 +0x4f
net.(*conn).Read(0xc0000b3380, 0xc000ba8000, 0x8000, 0x8000, 0x0, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/net.go:177 +0x68
bufio.(*Reader).Read(0xc000ba6000, 0xc000186738, 0x9, 0x9, 0x30, 0x28, 0xef8ee0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/bufio/bufio.go:216 +0x22f
io.ReadAtLeast(0x1238340, 0xc000ba6000, 0xc000186738, 0x9, 0x9, 0x9, 0xc000b19200, 0x4034ee, 0xc000ab1e9b)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/io/io.go:310 +0x88
io.ReadFull(0x1238340, 0xc000ba6000, 0xc000186738, 0x9, 0x9, 0x7aab1a, 0xc000b19230, 0xc000b10004)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/io/io.go:329 +0x58
github.com/src-d/lookout/vendor/golang.org/x/net/http2.readFrameHeader(0xc000186738, 0x9, 0x9, 0x1238340, 0xc000ba6000, 0x0, 0x0, 0xc000b19230, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/golang.org/x/net/http2/frame.go:237 +0x7b
github.com/src-d/lookout/vendor/golang.org/x/net/http2.(*Framer).ReadFrame(0xc000186700, 0xc000b19230, 0xc000b19200, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/golang.org/x/net/http2/frame.go:492 +0xa3
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.(*http2Client).reader(0xc0000d0900)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_client.go:1135 +0x12b
created by github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.newHTTP2Client
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_client.go:270 +0xad7

goroutine 77 [select]:
github.com/src-d/lookout/server.(*Server).concurrentRequest(0xc000031620, 0x1244c80, 0xc000b68c60, 0x0, 0xc000ce7360, 0xc0001e0300, 0x0, 0x0, 0x0, 0x0, ...)
	/home/travis/gopath/src/github.com/src-d/lookout/server/server.go:340 +0x58a
github.com/src-d/lookout/server.(*Server).HandleReview(0xc000031620, 0x1244c80, 0xc000b68c60, 0xc000a56dc0, 0xc000a56d00, 0xf98354, 0x3)
	/home/travis/gopath/src/github.com/src-d/lookout/server/server.go:169 +0x2d9
github.com/src-d/lookout/server.(*Server).HandleEvent(0xc000031620, 0x1244c80, 0xc000b193b0, 0x1246740, 0xc000a56dc0, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/server/server.go:103 +0x788
github.com/src-d/lookout/server.(*Server).HandleEvent-fm(0x1244bc0, 0xc000278800, 0x1246740, 0xc000a56dc0, 0xc000278800, 0x1248ca0)
	/home/travis/gopath/src/github.com/src-d/lookout/cmd/lookoutd/common.go:483 +0x52
github.com/src-d/lookout/queue.RunEventDequeuer.func2(0xc000af4730, 0x1244bc0, 0xc000278800, 0xc000af4720, 0xc000a29500)
	/home/travis/gopath/src/github.com/src-d/lookout/queue/queue.go:137 +0x14c
created by github.com/src-d/lookout/queue.RunEventDequeuer
	/home/travis/gopath/src/github.com/src-d/lookout/queue/queue.go:121 +0x179

goroutine 74 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.(*controlBuffer).get(0xc000279d80, 0x1, 0x0, 0x0, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/controlbuf.go:300 +0x103
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.(*loopyWriter).run(0xc000b1ad80, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/controlbuf.go:387 +0x1ac
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.newHTTP2Server.func2(0xc000b16400)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_server.go:277 +0xcb
created by github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.newHTTP2Server
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_server.go:274 +0xd3b

goroutine 75 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.(*http2Server).keepalive(0xc000b16400)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_server.go:875 +0x1ea
created by github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.newHTTP2Server
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_server.go:283 +0xd60

goroutine 76 [IO wait]:
internal/poll.runtime_pollWait(0x2ababc87c950, 0x72, 0xc000b0fb38)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/runtime/netpoll.go:173 +0x66
internal/poll.(*pollDesc).wait(0xc000a29418, 0x72, 0xffffffffffffff00, 0x123b7c0, 0x1d208b8)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_poll_runtime.go:85 +0x9a
internal/poll.(*pollDesc).waitRead(0xc000a29418, 0xc000b8a000, 0x8000, 0x8000)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_poll_runtime.go:90 +0x3d
internal/poll.(*FD).Read(0xc000a29400, 0xc000b8a000, 0x8000, 0x8000, 0x0, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/internal/poll/fd_unix.go:169 +0x179
net.(*netFD).Read(0xc000a29400, 0xc000b8a000, 0x8000, 0x8000, 0x9, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/fd_unix.go:202 +0x4f
net.(*conn).Read(0xc00000e2d0, 0xc000b8a000, 0x8000, 0x8000, 0x0, 0x0, 0x0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/net/net.go:177 +0x68
bufio.(*Reader).Read(0xc000b1ad20, 0xc000b36578, 0x9, 0x9, 0x30, 0x28, 0xef8ee0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/bufio/bufio.go:216 +0x22f
io.ReadAtLeast(0x1238340, 0xc000b1ad20, 0xc000b36578, 0x9, 0x9, 0x9, 0xc000b18ae0, 0x4034ee, 0xc000b0fe1b)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/io/io.go:310 +0x88
io.ReadFull(0x1238340, 0xc000b1ad20, 0xc000b36578, 0x9, 0x9, 0x7aab1a, 0xc000b18b40, 0xc000b10004)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/io/io.go:329 +0x58
github.com/src-d/lookout/vendor/golang.org/x/net/http2.readFrameHeader(0xc000b36578, 0x9, 0x9, 0x1238340, 0xc000b1ad20, 0x0, 0x0, 0xc000b18b40, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/golang.org/x/net/http2/frame.go:237 +0x7b
github.com/src-d/lookout/vendor/golang.org/x/net/http2.(*Framer).ReadFrame(0xc000b36540, 0xc000b18b40, 0xc000b18b40, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/golang.org/x/net/http2/frame.go:492 +0xa3
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.(*http2Server).HandleStreams(0xc000b16400, 0xc000b18b10, 0x10ca478)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_server.go:434 +0x7c
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*Server).serveStreams(0xc000a501c0, 0x124b580, 0xc000b16400)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/server.go:676 +0xdd
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*Server).handleRawConn.func2()
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/server.go:631 +0x3c
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*Server).handleRawConn.func3(0xc000b0c940, 0xc000a501c0, 0x2ababc8ce988, 0xc000b16400)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/server.go:639 +0x27
created by github.com/src-d/lookout/vendor/google.golang.org/grpc.(*Server).handleRawConn
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/server.go:638 +0x5f8

goroutine 45 [select]:
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.(*controlBuffer).get(0xc000088d00, 0x1, 0x0, 0x0, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/controlbuf.go:300 +0x103
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.(*loopyWriter).run(0xc000ba6120, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/controlbuf.go:387 +0x1ac
github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.newHTTP2Client.func3(0xc0000d0900)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_client.go:303 +0x7b
created by github.com/src-d/lookout/vendor/google.golang.org/grpc/transport.newHTTP2Client
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/transport/http2_client.go:301 +0xc3a

goroutine 81 [runnable]:
sync.(*Mutex).Unlock(0xc0002977b0)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/sync/mutex.go:175 +0xd4
context.propagateCancel(0x1244c80, 0xc0001f39b0, 0x123c0e0, 0xc000089c80)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/context/context.go:257 +0xee
context.WithCancel(0x1244c80, 0xc0001f39b0, 0x1da6200, 0xc000b03700, 0xc000af04e8)
	/home/travis/.gimme/versions/go1.11.5.linux.amd64/src/context/context.go:232 +0x9b
github.com/src-d/lookout/vendor/golang.org/x/net/context.WithCancel(0x1244c80, 0xc0001f39b0, 0x1e, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/golang.org/x/net/context/go17.go:33 +0x35
github.com/src-d/lookout/vendor/google.golang.org/grpc.newClientStream(0x1244c80, 0xc0001f39b0, 0x1d861e0, 0xc000af0300, 0x1090886, 0x1e, 0xc000abab00, 0x2, 0x2, 0x0, ...)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/stream.go:161 +0x119
github.com/src-d/lookout/vendor/google.golang.org/grpc.invoke(0x1244c80, 0xc0001f39b0, 0x1090886, 0x1e, 0xf4f480, 0xc000a56dc0, 0xf322c0, 0xc0001f37d0, 0xc000af0300, 0xc000abab00, ...)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/call.go:70 +0xa9
github.com/src-d/lookout/vendor/github.com/grpc-ecosystem/go-grpc-middleware.ChainUnaryClient.func1.1(0x1244c80, 0xc0001f39b0, 0x1090886, 0x1e, 0xf4f480, 0xc000a56dc0, 0xf322c0, 0xc0001f37d0, 0xc000af0300, 0xc000abab00, ...)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/github.com/grpc-ecosystem/go-grpc-middleware/chain.go:110 +0x1eb
github.com/src-d/lookout/util/grpchelper.CtxlogUnaryClientInterceptor(0x1244c40, 0xc0002977a0, 0x1090886, 0x1e, 0xf4f480, 0xc000a56dc0, 0xf322c0, 0xc0001f37d0, 0xc000af0300, 0xc000089c40, ...)
	/home/travis/gopath/src/github.com/src-d/lookout/util/grpchelper/logfields.go:21 +0xe1
github.com/src-d/lookout/vendor/github.com/grpc-ecosystem/go-grpc-middleware.ChainUnaryClient.func1.1(0x1244c40, 0xc0002977a0, 0x1090886, 0x1e, 0xf4f480, 0xc000a56dc0, 0xf322c0, 0xc0001f37d0, 0xc000af0300, 0xc000abab00, ...)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/github.com/grpc-ecosystem/go-grpc-middleware/chain.go:113 +0x115
github.com/src-d/lookout/util/grpchelper.LogUnaryClientInterceptor.func1(0x1244c40, 0xc0002977a0, 0x1090886, 0x1e, 0xf4f480, 0xc000a56dc0, 0xf322c0, 0xc0001f37d0, 0xc000af0300, 0xc000089c40, ...)
	/home/travis/gopath/src/github.com/src-d/lookout/util/grpchelper/logger.go:66 +0x19f
github.com/src-d/lookout/vendor/github.com/grpc-ecosystem/go-grpc-middleware.ChainUnaryClient.func1(0x1244c40, 0xc0002977a0, 0x1090886, 0x1e, 0xf4f480, 0xc000a56dc0, 0xf322c0, 0xc0001f37d0, 0xc000af0300, 0x10ca500, ...)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/github.com/grpc-ecosystem/go-grpc-middleware/chain.go:118 +0x1ca
github.com/src-d/lookout/vendor/google.golang.org/grpc.(*ClientConn).Invoke(0xc000af0300, 0x1244c40, 0xc0002977a0, 0x1090886, 0x1e, 0xf4f480, 0xc000a56dc0, 0xf322c0, 0xc0001f37d0, 0x0, ...)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/google.golang.org/grpc/call.go:35 +0x109
github.com/src-d/lookout/vendor/gopkg.in/src-d/lookout-sdk.v0/pb.(*analyzerClient).NotifyReviewEvent(0xc0000b3350, 0x1244c40, 0xc0002977a0, 0xc000a56dc0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000100)
	/home/travis/gopath/src/github.com/src-d/lookout/vendor/gopkg.in/src-d/lookout-sdk.v0/pb/service_analyzer.pb.go:144 +0xd2
github.com/src-d/lookout/server.(*Server).HandleReview.func1(0x1244c40, 0xc0002977a0, 0x123e2a0, 0xc0000b3350, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
	/home/travis/gopath/src/github.com/src-d/lookout/server/server.go:163 +0xfb
github.com/src-d/lookout/server.(*Server).concurrentRequest.func1(0xc000297620, 0xc000cb8960, 0x0, 0xc000ce7360, 0xc0001e0300, 0xc000031620, 0xc000092c60, 0xc00003a720, 0x6, 0x123e2a0, ...)
	/home/travis/gopath/src/github.com/src-d/lookout/server/server.go:308 +0x22a
created by github.com/src-d/lookout/server.(*Server).concurrentRequest
	/home/travis/gopath/src/github.com/src-d/lookout/server/server.go:298 +0x444
```

</details>

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Panic: concurrent map iteration and map write #490

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Panic: concurrent map iteration and map write #490

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