Panic in GSI performance tests

2019-02-17T17:37:15.191-08:00 [Info] [Queryport ":9101"] connection 172.23.97.8:58386 closed

panic: close of closed channel

goroutine 471214540 [running]:

panic(0xee9940, 0xc4ffac9e80)

        /home/couchbase/.cbdepscache/exploded/x86_64/go-1.7.6/go/src/runtime/panic.go:500 +0x1a1

github.com/couchbase/indexing/secondary/indexer.(*scanCoordinator).serverCallback.func7(0xc4acf23900, 0xc4ffac9e40, 0xc48121b860)

        goproj/src/github.com/couchbase/indexing/secondary/indexer/scan_coordinator.go:309 +0x192

created by github.com/couchbase/indexing/secondary/indexer.(*scanCoordinator).serverCallback

        goproj/src/github.com/couchbase/indexing/secondary/indexer/scan_coordinator.go:312 +0x62a

panic: close of closed channel

goroutine 471214694 [running]:

panic(0xee9940, 0xc4feada290)

        /home/couchbase/.cbdepscache/exploded/x86_64/go-1.7.6/go/src/runtime/panic.go:500 +0x1a1

github.com/couchbase/indexing/secondary/indexer.(*scanCoordinator).serverCallback.func7(0xc4292cef00, 0xc4feada210, 0xc45fc265a0)

        goproj/src/github.com/couchbase/indexing/secondary/indexer/scan_coordinator.go:309 +0x192

created by github.com/couchbase/indexing/secondary/indexer.(*scanCoordinator).serverCallback

        goproj/src/github.com/couchbase/indexing/secondary/indexer/scan_coordinator.go:312 +0x62a

panic: close of closed channel

goroutine 471214834 [running]:

panic(0xee9940, 0xc4fef70b90)

        /home/couchbase/.cbdepscache/exploded/x86_64/go-1.7.6/go/src/runtime/panic.go:500 +0x1a1

github.com/couchbase/indexing/secondary/indexer.(*scanCoordinator).serverCallback.func7(0xc42b8e3400, 0xc4fef70b50, 0xc4c59bd800)

        goproj/src/github.com/couchbase/indexing/secondary/indexer/scan_coordinator.go:309 +0x192

created by github.com/couchbase/indexing/secondary/indexer.(*scanCoordinator).serverCallback

        goproj/src/github.com/couchbase/indexing/secondary/indexer/scan_coordinator.go:312 +0x62a

panic: close of closed channel

goroutine 471214883 [running]:

panic(0xee9940, 0xc4ff5a1b00)

        /home/couchbase/.cbdepscache/exploded/x86_64/go-1.7.6/go/src/runtime/panic.go:500 +0x1a1

github.com/couchbase/indexing/secondary/indexer.(*scanCoordinator).serverCallback.func7(0xc42b8e3900, 0xc4ff5a1ac0, 0xc4ed639f20)

        goproj/src/github.com/couchbase/indexing/secondary/indexer/scan_coordinator.go:309 +0x192

created by github.com/couchbase/indexing/secondary/indexer.(*scanCoordinator).serverCallback

        goproj/src/github.com/couchbase/indexing/secondary/indexer/scan_coordinator.go:312 +0x62a

2019-02-17T17:37:17.915-08:00 [Info] Indexer started with command line: [/opt/couchbase/bin/indexer -adminPort=9100 -scanPort=9101 -httpPort=9102 -streamInitPort=9103 -streamCatchupPort=9104 -streamMaintPort=9105 --httpsPort=19102 --certFile=/opt/couchbase/var/lib/couchbase/config/memcached-cert.pem --keyFile=/opt/couchbase/var/lib/couchbase/config/memcached-key.pem -vbuckets=1024 -cluster=127.0.0.1:8091 -storageDir=/data/@2i -diagDir=/opt/couchbase/var/lib/couchbase/crash -nodeUUID=c92ec00c12b2e8b56a80fbd2b3560ace -ipv6=false -isEnterprise=true]

2019-02-17T17:37:17.966-08:00 [Info] Indexer::NewIndexer Status Warmup