==================

 [2017/11/11 15:09:41.757] WARNING: DATA RACE

 [2017/11/11 15:09:41.757] Write at 0x00c4202c52e0 by goroutine 33:

 [2017/11/11 15:09:41.757]   os.(*file).close()

 [2017/11/11 15:09:41.757]       /opt/go/src/os/file_unix.go:143 +0x124

 [2017/11/11 15:09:41.757]   os.(*File).Close()

 [2017/11/11 15:09:41.757]       /opt/go/src/os/file_unix.go:132 +0x55

 [2017/11/11 15:09:41.757]   _/data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport.(*MongoImport).ImportDocuments()

 [2017/11/11 15:09:41.757]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport/mongoimport.go:335 +0x63e

 [2017/11/11 15:09:41.757]   github.com/mongodb/mongo-tools/common/db.BuildWriteConcern()

 [2017/11/11 15:09:41.757]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/.gopath/src/github.com/mongodb/mongo-tools/common/db/write_concern.go:147 +0x9a

 [2017/11/11 15:09:41.757]   _/data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport.(*MongoImport).configureSession()

 [2017/11/11 15:09:41.757]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport/mongoimport.go:451 +0x131

 [2017/11/11 15:09:41.757]   _/data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport.(*MongoImport).importDocuments()

 [2017/11/11 15:09:41.757]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport/mongoimport.go:368 +0x77d

 [2017/11/11 15:09:41.757]   _/data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport.(*MongoImport).ImportDocuments()

 [2017/11/11 15:09:41.757]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport/mongoimport.go:335 +0x616

 [2017/11/11 15:09:41.757]   _/data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport.TestImportDocuments.func1.16()

 [2017/11/11 15:09:41.757]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport/mongoimport_test.go:761 +0x143

 [2017/11/11 15:09:41.757]   github.com/smartystreets/goconvey/convey.parseAction.func1()

 [2017/11/11 15:09:41.757]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/smartystreets/goconvey/convey/discovery.go:80 +0x3d

 [2017/11/11 15:09:41.757]   github.com/smartystreets/goconvey/convey.(*context).conveyInner()

 [2017/11/11 15:09:41.757]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/smartystreets/goconvey/convey/context.go:261 +0x1bd

 [2017/11/11 15:09:41.757]   github.com/smartystreets/goconvey/convey.(*context).Convey.func1()

 [2017/11/11 15:09:41.757]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/smartystreets/goconvey/convey/context.go:163 +0x95

 [2017/11/11 15:09:41.757]   github.com/jtolds/gls._m()

 [2017/11/11 15:09:41.757]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/jtolds/gls/stack_tags.go:39 +0x42

 [2017/11/11 15:09:41.757]   github.com/jtolds/gls.mark1()

 [2017/11/11 15:09:41.757]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/jtolds/gls/stack_tags.go:18 +0x42

 [2017/11/11 15:09:41.757]   github.com/jtolds/gls._m()

 [2017/11/11 15:09:41.757]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/jtolds/gls/stack_tags.go:41 +0x9d

 [2017/11/11 15:09:41.757]   github.com/jtolds/gls.markS()

 [2017/11/11 15:09:41.757]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/jtolds/gls/stack_tags.go:16 +0x42

 [2017/11/11 15:09:41.757]   github.com/jtolds/gls.addStackTag()

 [2017/11/11 15:09:41.757]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/jtolds/gls/stack_tags.go:13 +0x47

 [2017/11/11 15:09:41.757]   github.com/jtolds/gls.(*ContextManager).SetValues()

 [2017/11/11 15:09:41.757]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/jtolds/gls/context.go:92 +0x549

 [2017/11/11 15:09:41.757]   github.com/smartystreets/goconvey/convey.(*context).Convey()

 [2017/11/11 15:09:41.757]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/smartystreets/goconvey/convey/context.go:164 +0x377

 [2017/11/11 15:09:41.757]   github.com/smartystreets/goconvey/convey.Convey()

 [2017/11/11 15:09:41.757]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/smartystreets/goconvey/convey/doc.go:77 +0x63

 [2017/11/11 15:09:41.757]   _/data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport.TestImportDocuments.func1()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport/mongoimport_test.go:763 +0x1006

 [2017/11/11 15:09:41.758]   github.com/smartystreets/goconvey/convey.parseAction.func1()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/smartystreets/goconvey/convey/discovery.go:80 +0x3d

 [2017/11/11 15:09:41.758]   github.com/smartystreets/goconvey/convey.(*context).conveyInner()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/smartystreets/goconvey/convey/context.go:261 +0x1bd

 [2017/11/11 15:09:41.758]   github.com/smartystreets/goconvey/convey.rootConvey.func1()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/smartystreets/goconvey/convey/context.go:110 +0x194

 [2017/11/11 15:09:41.758]   _/data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport.TestImportDocuments.func1()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport/mongoimport_test.go:754 +0xf0a

 [2017/11/11 15:09:41.758]   github.com/smartystreets/goconvey/convey.parseAction.func1()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/smartystreets/goconvey/convey/discovery.go:80 +0x3d

 [2017/11/11 15:09:41.758]   github.com/smartystreets/goconvey/convey.(*context).conveyInner()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/smartystreets/goconvey/convey/context.go:261 +0x1bd

 [2017/11/11 15:09:41.758]   github.com/smartystreets/goconvey/convey.rootConvey.func1()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/smartystreets/goconvey/convey/context.go:110 +0x194

 [2017/11/11 15:09:41.758]   github.com/jtolds/gls._m()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/jtolds/gls/stack_tags.go:39 +0x42

 [2017/11/11 15:09:41.758]   github.com/jtolds/gls.markS()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/jtolds/gls/stack_tags.go:16 +0x42

 [2017/11/11 15:09:41.758]   github.com/jtolds/gls.addStackTag()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/jtolds/gls/stack_tags.go:13 +0x47

 [2017/11/11 15:09:41.758]   github.com/jtolds/gls.(*ContextManager).SetValues()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/jtolds/gls/context.go:92 +0x549

 [2017/11/11 15:09:41.758]   github.com/smartystreets/goconvey/convey.rootConvey()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/smartystreets/goconvey/convey/context.go:113 +0x4c7

 [2017/11/11 15:09:41.758]   github.com/smartystreets/goconvey/convey.Convey()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/vendor/src/github.com/smartystreets/goconvey/convey/doc.go:75 +0x94

 [2017/11/11 15:09:41.758]   _/data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport.TestImportDocuments()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport/mongoimport_test.go:784 +0x1cc

 [2017/11/11 15:09:41.758]   testing.tRunner()

 [2017/11/11 15:09:41.758]       /opt/go/src/testing/testing.go:610 +0xc9

 [2017/11/11 15:09:41.758] Previous read at 0x00c4202c52e0 by goroutine 163:

 [2017/11/11 15:09:41.758]   os.(*File).read()

 [2017/11/11 15:09:41.758]       /opt/go/src/os/file_unix.go:228 +0x50

 [2017/11/11 15:09:41.758]   os.(*File).Read()

 [2017/11/11 15:09:41.758]       /opt/go/src/os/file.go:101 +0x6f

 [2017/11/11 15:09:41.758]   bufio.(*Reader).fill()

 [2017/11/11 15:09:41.758]       /opt/go/src/bufio/bufio.go:97 +0x196

 [2017/11/11 15:09:41.758]   bufio.(*Reader).Read()

 [2017/11/11 15:09:41.758]       /opt/go/src/bufio/bufio.go:209 +0x6ab

 [2017/11/11 15:09:41.758]   _/data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport.(*bomDiscardingReader).Read()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport/common.go:129 +0xb7

 [2017/11/11 15:09:41.758]   _/data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport.(*sizeTrackingReader).Read()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport/common.go:99 +0x75

 [2017/11/11 15:09:41.758]   github.com/mongodb/mongo-tools/common/json.(*Decoder).readValue()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/.gopath/src/github.com/mongodb/mongo-tools/common/json/stream.go:171 +0x499

 [2017/11/11 15:09:41.758]   github.com/mongodb/mongo-tools/common/json.(*Decoder).ScanObject()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/.gopath/src/github.com/mongodb/mongo-tools/common/json/stream.go:72 +0x113

 [2017/11/11 15:09:41.758]   _/data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport.(*JSONInputReader).StreamDocument.func1()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport/json.go:124 +0xae

 [2017/11/11 15:09:41.758] Goroutine 33 (running) created at:

 [2017/11/11 15:09:41.758]   testing.(*T).Run()

 [2017/11/11 15:09:41.758]       /opt/go/src/testing/testing.go:646 +0x52f

 [2017/11/11 15:09:41.758]   testing.RunTests.func1()

 [2017/11/11 15:09:41.758]       /opt/go/src/testing/testing.go:793 +0xb9

 [2017/11/11 15:09:41.758]   testing.tRunner()

 [2017/11/11 15:09:41.758]       /opt/go/src/testing/testing.go:610 +0xc9

 [2017/11/11 15:09:41.758]   testing.RunTests()

 [2017/11/11 15:09:41.758]       /opt/go/src/testing/testing.go:799 +0x4ba

 [2017/11/11 15:09:41.758]   testing.(*M).Run()

 [2017/11/11 15:09:41.758]       /opt/go/src/testing/testing.go:743 +0x12f

 [2017/11/11 15:09:41.758]   main.main()

 [2017/11/11 15:09:41.758]       _/data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport/_test/_testmain.go:114 +0x1b8

 [2017/11/11 15:09:41.758] Goroutine 163 (running) created at:

 [2017/11/11 15:09:41.758]   _/data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport.(*JSONInputReader).StreamDocument()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport/json.go:141 +0xbc

 [2017/11/11 15:09:41.758]   _/data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport.(*MongoImport).importDocuments.func1()

 [2017/11/11 15:09:41.758]       /data/mci/66a16a7ec5005f903d6a385d6b693274/src/mongoimport/mongoimport.go:392 +0x55

 [2017/11/11 15:09:41.758] ==================