influxdb 0.9 master, panic when trying to backup data

output

panic: runtime error: invalid memory address or nil pointer dereference
[signal 0xb code=0x1 addr=0x0 pc=0x2fbad8]

goroutine 56 [running]:
github.com/boltdb/bolt.(*DB).beginTx(0x0, 0x10bd7770, 0x0, 0x0)
        /home/papy/aur/influxdb-git/src/src/github.com/boltdb/bolt/db.go:422 +0x38
github.com/boltdb/bolt.(*DB).Begin(0x0, 0x0, 0x76e0b108, 0x0, 0x0)
        /home/papy/aur/influxdb-git/src/src/github.com/boltdb/bolt/db.go:415 +0x64
github.com/influxdb/influxdb/tsdb.appendShardSnapshotFile(0x10c30a60, 0x10be21e0, 0x10bd68b7, 0x12, 0x0, 0x0)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/tsdb/snapshot_writer.go:86 +0x158
github.com/influxdb/influxdb/tsdb.appendShardSnapshotFiles(0x10c30a60, 0x10b40a80, 0x0, 0x0)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/tsdb/snapshot_writer.go:70 +0x4dc
github.com/influxdb/influxdb/tsdb.func·013(0x0, 0x0)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/tsdb/snapshot_writer.go:31 +0x404
github.com/influxdb/influxdb/tsdb.NewSnapshotWriter(0x10d24000, 0xf5, 0x100, 0x10b40a80, 0x0, 0x0, 0x0)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/tsdb/snapshot_writer.go:36 +0x138
github.com/influxdb/influxdb/services/snapshotter.(*Service).writeSnapshot(0x10b33950, 0x76e11770, 0x10c309f8, 0x0, 0x0, 0x0, 0x0, 0x0)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/snapshotter/service.go:131 +0x160
github.com/influxdb/influxdb/services/snapshotter.(*Service).handleConn(0x10b33950, 0x76e11770, 0x10c309f8, 0x0, 0x0)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/snapshotter/service.go:105 +0x170
github.com/influxdb/influxdb/services/snapshotter.func·001(0x76e11770, 0x10c309f8)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/snapshotter/service.go:89 +0xd4
created by github.com/influxdb/influxdb/services/snapshotter.(*Service).serve
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/snapshotter/service.go:92 +0x3e4

goroutine 1 [chan receive]:
main.(*Main).Run(0x10b9c7e0, 0x10b0a008, 0x2, 0x2, 0x0, 0x0)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/cmd/influxd/main.go:91 +0x6a4
main.main()
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/cmd/influxd/main.go:42 +0x11c

goroutine 6 [syscall]:
os/signal.loop()
        /usr/lib/go/src/os/signal/signal_unix.go:21 +0x1c
created by os/signal.init·1
        /usr/lib/go/src/os/signal/signal_unix.go:27 +0x40

goroutine 17 [syscall, locked to thread]:
runtime.goexit()
        /usr/lib/go/src/runtime/asm_arm.s:1322 +0x4

goroutine 8 [IO wait]:
net.(*pollDesc).Wait(0x10b40ff8, 0x72, 0x0, 0x0)
        /usr/lib/go/src/net/fd_poll_runtime.go:84 +0x3c
net.(*pollDesc).WaitRead(0x10b40ff8, 0x0, 0x0)
        /usr/lib/go/src/net/fd_poll_runtime.go:89 +0x38
net.(*netFD).accept(0x10b40fc0, 0x0, 0x76e0ace8, 0x10c184d4)
        /usr/lib/go/src/net/fd_unix.go:419 +0x390
net.(*TCPListener).AcceptTCP(0x10b76780, 0x494928, 0x0, 0x0)
        /usr/lib/go/src/net/tcpsock_posix.go:234 +0x50
net.(*TCPListener).Accept(0x10b76780, 0x0, 0x0, 0x0, 0x0)
        /usr/lib/go/src/net/tcpsock_posix.go:244 +0x3c
github.com/influxdb/influxdb/tcp.(*Mux).Serve(0x10b92440, 0x76e0c9e8, 0x10b76780, 0x0, 0x0)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/tcp/mux.go:45 +0x44
created by github.com/influxdb/influxdb/cmd/influxd/run.func·003
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/cmd/influxd/run/server.go:310 +0x85c

goroutine 18 [chan receive]:
github.com/influxdb/influxdb/tcp.(*listener).Accept(0x10b76788, 0x0, 0x0, 0x0, 0x0)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/tcp/mux.go:117 +0x64
github.com/influxdb/influxdb/meta.(*raftLayer).Accept(0x10bd8160, 0x0, 0x0, 0x0, 0x0)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/meta/store.go:2058 +0x64
github.com/hashicorp/raft.(*NetworkTransport).listen(0x10be20a0)
        /home/papy/aur/influxdb-git/src/src/github.com/hashicorp/raft/net_transport.go:346 +0x4c
created by github.com/hashicorp/raft.NewNetworkTransport
        /home/papy/aur/influxdb-git/src/src/github.com/hashicorp/raft/net_transport.go:138 +0x2f8

goroutine 19 [select]:
github.com/hashicorp/raft.(*Raft).leaderLoop(0x10c04000)
        /home/papy/aur/influxdb-git/src/src/github.com/hashicorp/raft/raft.go:871 +0xab4
github.com/hashicorp/raft.(*Raft).runLeader(0x10c04000)
        /home/papy/aur/influxdb-git/src/src/github.com/hashicorp/raft/raft.go:787 +0x6c0
github.com/hashicorp/raft.(*Raft).run(0x10c04000)
        /home/papy/aur/influxdb-git/src/src/github.com/hashicorp/raft/raft.go:584 +0xdc
github.com/hashicorp/raft.*Raft.(github.com/hashicorp/raft.run)·fm()
        /home/papy/aur/influxdb-git/src/src/github.com/hashicorp/raft/raft.go:241 +0x24
github.com/hashicorp/raft.func·011()
        /home/papy/aur/influxdb-git/src/src/github.com/hashicorp/raft/state.go:152 +0x70
created by github.com/hashicorp/raft.(*raftState).goFunc
        /home/papy/aur/influxdb-git/src/src/github.com/hashicorp/raft/state.go:153 +0xf4

goroutine 20 [select]:
github.com/hashicorp/raft.(*Raft).runFSM(0x10c04000)
        /home/papy/aur/influxdb-git/src/src/github.com/hashicorp/raft/raft.go:499 +0xc0c
github.com/hashicorp/raft.*Raft.(github.com/hashicorp/raft.runFSM)·fm()
        /home/papy/aur/influxdb-git/src/src/github.com/hashicorp/raft/raft.go:242 +0x24
github.com/hashicorp/raft.func·011()
        /home/papy/aur/influxdb-git/src/src/github.com/hashicorp/raft/state.go:152 +0x70
created by github.com/hashicorp/raft.(*raftState).goFunc
        /home/papy/aur/influxdb-git/src/src/github.com/hashicorp/raft/state.go:153 +0xf4

goroutine 21 [select]:
github.com/hashicorp/raft.(*Raft).runSnapshots(0x10c04000)
        /home/papy/aur/influxdb-git/src/src/github.com/hashicorp/raft/raft.go:1602 +0x37c
github.com/hashicorp/raft.*Raft.(github.com/hashicorp/raft.runSnapshots)·fm()
        /home/papy/aur/influxdb-git/src/src/github.com/hashicorp/raft/raft.go:243 +0x24
github.com/hashicorp/raft.func·011()
        /home/papy/aur/influxdb-git/src/src/github.com/hashicorp/raft/state.go:152 +0x70
created by github.com/hashicorp/raft.(*raftState).goFunc
        /home/papy/aur/influxdb-git/src/src/github.com/hashicorp/raft/state.go:153 +0xf4

goroutine 22 [select]:
github.com/influxdb/influxdb/meta.(*localRaft).logLeaderChanges(0x10be0040)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/meta/state.go:187 +0x3a4
created by github.com/influxdb/influxdb/meta.(*localRaft).open
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/meta/state.go:153 +0x11cc

goroutine 23 [chan receive]:
github.com/influxdb/influxdb/tcp.(*listener).Accept(0x10b76790, 0x0, 0x0, 0x0, 0x0)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/tcp/mux.go:117 +0x64
github.com/influxdb/influxdb/meta.(*Store).serveExecListener(0x10b9e0d0)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/meta/store.go:619 +0xa4
created by github.com/influxdb/influxdb/meta.(*Store).Open
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/meta/store.go:239 +0x310

goroutine 24 [chan receive]:
github.com/influxdb/influxdb/tcp.(*listener).Accept(0x10b76798, 0x0, 0x0, 0x0, 0x0)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/tcp/mux.go:117 +0x64
github.com/influxdb/influxdb/meta.(*Store).serveRPCListener(0x10b9e0d0)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/meta/store.go:723 +0xd8
created by github.com/influxdb/influxdb/meta.(*Store).Open
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/meta/store.go:242 +0x368

goroutine 36 [select]:
github.com/influxdb/influxdb/tsdb.func·002()
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/tsdb/batcher.go:69 +0x52c
created by github.com/influxdb/influxdb/tsdb.(*PointBatcher).Start
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/tsdb/batcher.go:104 +0x2b8

goroutine 26 [select]:
github.com/influxdb/influxdb/cmd/influxd/run.(*Server).monitorErrorChan(0x10b3c000, 0x10b40880)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/cmd/influxd/run/server.go:439 +0x11c
created by github.com/influxdb/influxdb/cmd/influxd/run.func·003
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/cmd/influxd/run/server.go:314 +0x9d4

goroutine 10 [select]:
github.com/influxdb/influxdb/tsdb/engine/b1.(*Engine).autoflusher(0x10b35d50, 0x10be01c0)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/tsdb/engine/b1/b1.go:468 +0x338
created by github.com/influxdb/influxdb/tsdb/engine/b1.func·002
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/tsdb/engine/b1/b1.go:133 +0x4b0

goroutine 11 [select]:
github.com/influxdb/influxdb/services/hh.(*Service).retryWrites(0x10b3c070)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/hh/service.go:103 +0x2e0
created by github.com/influxdb/influxdb/services/hh.(*Service).Open
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/hh/service.go:67 +0x244

goroutine 12 [select]:
github.com/influxdb/influxdb/services/hh.(*Service).expireWrites(0x10b3c070)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/hh/service.go:121 +0x298
created by github.com/influxdb/influxdb/services/hh.(*Service).Open
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/hh/service.go:68 +0x26c

goroutine 13 [chan receive]:
github.com/influxdb/influxdb/tcp.(*listener).Accept(0x10b767a0, 0x0, 0x0, 0x0, 0x0)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/tcp/mux.go:117 +0x64
github.com/influxdb/influxdb/cluster.(*Service).serve(0x10b10280)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/cluster/service.go:83 +0x118
created by github.com/influxdb/influxdb/cluster.(*Service).Open
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/cluster/service.go:60 +0x12c

goroutine 14 [select]:
github.com/influxdb/influxdb/services/precreator.(*Service).runPrecreation(0x10b40b40)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/precreator/service.go:74 +0x3b0
created by github.com/influxdb/influxdb/services/precreator.(*Service).Open
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/precreator/service.go:52 +0x198

goroutine 15 [chan receive]:
github.com/influxdb/influxdb/tcp.(*listener).Accept(0x10b767a8, 0x0, 0x0, 0x0, 0x0)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/tcp/mux.go:117 +0x64
github.com/influxdb/influxdb/services/snapshotter.(*Service).serve(0x10b33950)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/snapshotter/service.go:75 +0xc8
created by github.com/influxdb/influxdb/services/snapshotter.(*Service).Open
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/snapshotter/service.go:48 +0x11c

goroutine 16 [IO wait]:
net.(*pollDesc).Wait(0x10b41e38, 0x72, 0x0, 0x0)
        /usr/lib/go/src/net/fd_poll_runtime.go:84 +0x3c
net.(*pollDesc).WaitRead(0x10b41e38, 0x0, 0x0)
        /usr/lib/go/src/net/fd_poll_runtime.go:89 +0x38
net.(*netFD).accept(0x10b41e00, 0x0, 0x76e0ace8, 0x10c8403c)
        /usr/lib/go/src/net/fd_unix.go:419 +0x390
net.(*TCPListener).AcceptTCP(0x10b1cfd8, 0x21f9dc, 0x0, 0x0)
        /usr/lib/go/src/net/tcpsock_posix.go:234 +0x50
net.(*TCPListener).Accept(0x10b1cfd8, 0x0, 0x0, 0x0, 0x0)
        /usr/lib/go/src/net/tcpsock_posix.go:244 +0x3c
net/http.(*Server).Serve(0x10c46080, 0x76e0c9e8, 0x10b1cfd8, 0x0, 0x0)
        /usr/lib/go/src/net/http/server.go:1728 +0x98
net/http.Serve(0x76e0c9e8, 0x10b1cfd8, 0x76e11338, 0x10b76010, 0x0, 0x0)
        /usr/lib/go/src/net/http/server.go:1606 +0x9c
github.com/influxdb/influxdb/services/admin.(*Service).serve(0x10b339b0)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/admin/service.go:107 +0x154
created by github.com/influxdb/influxdb/services/admin.(*Service).Open
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/admin/service.go:70 +0x3b8

goroutine 34 [select]:
github.com/influxdb/influxdb/services/continuous_querier.(*Service).backgroundLoop(0x10b40c40)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/continuous_querier/service.go:157 +0x368
created by github.com/influxdb/influxdb/services/continuous_querier.(*Service).Open
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/continuous_querier/service.go:93 +0x2a4

goroutine 35 [IO wait]:
net.(*pollDesc).Wait(0x10b41f78, 0x72, 0x0, 0x0)
        /usr/lib/go/src/net/fd_poll_runtime.go:84 +0x3c
net.(*pollDesc).WaitRead(0x10b41f78, 0x0, 0x0)
        /usr/lib/go/src/net/fd_poll_runtime.go:89 +0x38
net.(*netFD).accept(0x10b41f40, 0x0, 0x76e0ace8, 0x10c79f40)
        /usr/lib/go/src/net/fd_unix.go:419 +0x390
net.(*TCPListener).AcceptTCP(0x10b1d018, 0x21fccc, 0x0, 0x0)
        /usr/lib/go/src/net/tcpsock_posix.go:234 +0x50
net.(*TCPListener).Accept(0x10b1d018, 0x0, 0x0, 0x0, 0x0)
        /usr/lib/go/src/net/tcpsock_posix.go:244 +0x3c
net/http.(*Server).Serve(0x10cb8080, 0x76e0c9e8, 0x10b1d018, 0x0, 0x0)
        /usr/lib/go/src/net/http/server.go:1728 +0x98
net/http.Serve(0x76e0c9e8, 0x10b1d018, 0x76e11350, 0x10b40d40, 0x0, 0x0)
        /usr/lib/go/src/net/http/server.go:1606 +0x9c
github.com/influxdb/influxdb/services/httpd.(*Service).serve(0x10b33a70)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/httpd/service.go:108 +0x90
created by github.com/influxdb/influxdb/services/httpd.(*Service).Open
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/httpd/service.go:76 +0x548

goroutine 37 [IO wait]:
net.(*pollDesc).Wait(0x10cb8bf8, 0x72, 0x0, 0x0)
        /usr/lib/go/src/net/fd_poll_runtime.go:84 +0x3c
net.(*pollDesc).WaitRead(0x10cb8bf8, 0x0, 0x0)
        /usr/lib/go/src/net/fd_poll_runtime.go:89 +0x38
net.(*netFD).readFrom(0x10cb8bc0, 0x10cec000, 0x5ac, 0x5ac, 0x0, 0x0, 0x0, 0x76e0ace8, 0x10c4f238)
        /usr/lib/go/src/net/fd_unix.go:269 +0x3d8
net.(*UDPConn).ReadFromUDP(0x10b1d9c8, 0x10cec000, 0x5ac, 0x5ac, 0x531, 0x0, 0x0, 0x0)
        /usr/lib/go/src/net/udpsock_posix.go:67 +0xec
github.com/influxdb/influxdb/services/collectd.(*Service).serve(0x10b102d0)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/collectd/service.go:183 +0x11c
created by github.com/influxdb/influxdb/services/collectd.(*Service).Open
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/collectd/service.go:99 +0xcbc

goroutine 38 [select]:
github.com/influxdb/influxdb/services/collectd.(*Service).writePoints(0x10b102d0)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/collectd/service.go:212 +0x350
created by github.com/influxdb/influxdb/services/collectd.(*Service).Open
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/collectd/service.go:99 +0xce4

goroutine 39 [select]:
github.com/influxdb/influxdb/services/retention.(*Service).deleteShardGroups(0x10b40f00)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/retention/service.go:68 +0x3e8
created by github.com/influxdb/influxdb/services/retention.(*Service).Open
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/retention/service.go:45 +0x12c

goroutine 40 [select]:
github.com/influxdb/influxdb/services/retention.(*Service).deleteShards(0x10b40f00)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/retention/service.go:102 +0x700
created by github.com/influxdb/influxdb/services/retention.(*Service).Open
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/services/retention/service.go:46 +0x154

goroutine 41 [chan receive]:
github.com/influxdb/influxdb/cmd/influxd/run.(*Server).startServerReporting(0x10b3c000)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/cmd/influxd/run/server.go:390 +0x1bc
created by github.com/influxdb/influxdb/cmd/influxd/run.func·003
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/cmd/influxd/run/server.go:314 +0xd9c

goroutine 42 [select]:
github.com/influxdb/influxdb/cmd/influxd/run.(*Command).monitorServerErrors(0x10b41400)
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/cmd/influxd/run/command.go:140 +0x25c
created by github.com/influxdb/influxdb/cmd/influxd/run.(*Command).Run
        /home/papy/aur/influxdb-git/src/src/github.com/influxdb/influxdb/cmd/influxd/run/command.go:113 +0xb6c

goroutine 46 [IO wait]:
net.(*pollDesc).Wait(0x10bbfdf8, 0x72, 0x0, 0x0)
        /usr/lib/go/src/net/fd_poll_runtime.go:84 +0x3c
net.(*pollDesc).WaitRead(0x10bbfdf8, 0x0, 0x0)
        /usr/lib/go/src/net/fd_poll_runtime.go:89 +0x38
net.(*netFD).Read(0x10bbfdc0, 0x10c60000, 0x1000, 0x1000, 0x0, 0x76e0ace8, 0x10e4a384)
        /usr/lib/go/src/net/fd_unix.go:242 +0x390
net.(*conn).Read(0x10c30490, 0x10c60000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
        /usr/lib/go/src/net/net.go:121 +0xc8
net/http.(*liveSwitchReader).Read(0x10d1d104, 0x10c60000, 0x1000, 0x1000, 0x1b, 0x0, 0x0)
        /usr/lib/go/src/net/http/server.go:214 +0xa8
io.(*LimitedReader).Read(0x10c79f20, 0x10c60000, 0x1000, 0x1000, 0x8bf868, 0x0, 0x0)
        /usr/lib/go/src/io/io.go:408 +0x138
bufio.(*Reader).fill(0x10bf6810)
        /usr/lib/go/src/bufio/bufio.go:97 +0x1d8
bufio.(*Reader).ReadSlice(0x10bf6810, 0xa, 0x0, 0x0, 0x0, 0x0, 0x0)
        /usr/lib/go/src/bufio/bufio.go:295 +0x2a4
bufio.(*Reader).ReadLine(0x10bf6810, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
        /usr/lib/go/src/bufio/bufio.go:324 +0x70
net/textproto.(*Reader).readLineSlice(0x10cea080, 0x0, 0x0, 0x0, 0x0, 0x0)
        /usr/lib/go/src/net/textproto/reader.go:55 +0x60
net/textproto.(*Reader).ReadLine(0x10cea080, 0x0, 0x0, 0x0, 0x0)
        /usr/lib/go/src/net/textproto/reader.go:36 +0x3c
net/http.ReadRequest(0x10bf6810, 0x10b72000, 0x0, 0x0)
        /usr/lib/go/src/net/http/request.go:598 +0x88
net/http.(*conn).readRequest(0x10d1d0e0, 0x0, 0x0, 0x0)
        /usr/lib/go/src/net/http/server.go:586 +0x278
net/http.(*conn).serve(0x10d1d0e0)
        /usr/lib/go/src/net/http/server.go:1162 +0x5ec
created by net/http.(*Server).Serve
        /usr/lib/go/src/net/http/server.go:1751 +0x348