panic: test timed out after 10m0s

goroutine 5622 [running]:
testing.(*M).startAlarm.func1()
	/tmp/workdir/go/src/testing/testing.go:1999 +0xc5
created by time.goFunc
	/tmp/workdir/go/src/time/sleep.go:176 +0x29

goroutine 1 [chan receive]:
testing.(*T).Run(0x608010e0, {0x83a29ba, 0x16}, 0x83beb70)
	/tmp/workdir/go/src/testing/testing.go:1457 +0x38d
testing.runTests.func1(0x608010e0)
	/tmp/workdir/go/src/testing/testing.go:1809 +0x58
testing.tRunner(0x608010e0, 0x608a7e38)
	/tmp/workdir/go/src/testing/testing.go:1409 +0x10d
testing.runTests(0x6080c2d0, {0x85e73c0, 0x48, 0x48}, {0xc05b5fbfb2fbac79, 0x8bb65fd067, 0x85eab40})
	/tmp/workdir/go/src/testing/testing.go:1807 +0x3a0
testing.(*M).Run(0x60882190)
	/tmp/workdir/go/src/testing/testing.go:1689 +0x675
main.main()
	_testmain.go:189 +0x17f

goroutine 5439 [chan receive]:
golang.org/x/review/git-codereview.cmdPending({0x60984100, 0x2, 0x2})
	/tmp/workdir/gopath/src/golang.org/x/review/git-codereview/pending.go:148 +0x59c
golang.org/x/review/git-codereview.syncBranchContinue({0x839bbeb, 0xa}, 0x608ea0c0, 0x6096aa00)
	/tmp/workdir/gopath/src/golang.org/x/review/git-codereview/sync.go:407 +0x135b
golang.org/x/review/git-codereview.cmdSyncBranch({0x60a62370, 0x1, 0x1})
	/tmp/workdir/gopath/src/golang.org/x/review/git-codereview/sync.go:170 +0x46f
golang.org/x/review/git-codereview.main()
	/tmp/workdir/gopath/src/golang.org/x/review/git-codereview/review.go:141 +0x3cc
golang.org/x/review/git-codereview.testMain(0x609c3950, {0x608e1ecc, 0x2, 0x2})
	/tmp/workdir/gopath/src/golang.org/x/review/git-codereview/util_test.go:359 +0x304
golang.org/x/review/git-codereview.TestSyncBranchConflict(0x609c3950)
	/tmp/workdir/gopath/src/golang.org/x/review/git-codereview/sync_test.go:367 +0x5eb
testing.tRunner(0x609c3950, 0x83beb70)
	/tmp/workdir/go/src/testing/testing.go:1409 +0x10d
created by testing.(*T).Run
	/tmp/workdir/go/src/testing/testing.go:1456 +0x36e

goroutine 5585 [runnable]:
syscall.syscall(0x80b8b80, 0x6092a250, 0x609fade8, 0x0)
	/tmp/workdir/go/src/runtime/sys_openbsd3.go:24 +0x20
syscall.Stat({0x6092a1c8, 0x8}, 0x609fade8)
	/tmp/workdir/go/src/syscall/zsyscall_openbsd_386.go:1439 +0xc7
os.statNolog.func1(...)
	/tmp/workdir/go/src/os/stat_unix.go:32
os.ignoringEINTR(...)
	/tmp/workdir/go/src/os/file_posix.go:245
os.statNolog({0x6092a1c8, 0x8})
	/tmp/workdir/go/src/os/stat_unix.go:31 +0x4c
os.Stat({0x6092a1c8, 0x8})
	/tmp/workdir/go/src/os/stat.go:13 +0x37
os/exec.findExecutable({0x6092a1c8, 0x8})
	/tmp/workdir/go/src/os/exec/lp_unix.go:21 +0x27
os/exec.LookPath({0x8399d5b, 0x3})
	/tmp/workdir/go/src/os/exec/lp_unix.go:54 +0x229
os/exec.Command({0x8399d5b, 0x3}, {0x6083aee0, 0x5, 0x5})
	/tmp/workdir/go/src/os/exec/exec.go:175 +0x1ac
golang.org/x/review/git-codereview.cmdOutputDirErr({0x8399a2c, 0x1}, {0x8399d5b, 0x3}, {0x6083aee0, 0x5, 0x5})
	/tmp/workdir/gopath/src/golang.org/x/review/git-codereview/review.go:258 +0x112
golang.org/x/review/git-codereview.cmdOutputDir({0x8399a2c, 0x1}, {0x8399d5b, 0x3}, {0x6083aee0, 0x5, 0x5})
	/tmp/workdir/gopath/src/golang.org/x/review/git-codereview/review.go:223 +0x61
golang.org/x/review/git-codereview.cmdOutput(...)
	/tmp/workdir/gopath/src/golang.org/x/review/git-codereview/review.go:212
golang.org/x/review/git-codereview.ListFiles(0x60890180)
	/tmp/workdir/gopath/src/golang.org/x/review/git-codereview/branch.go:529 +0xda
golang.org/x/review/git-codereview.(*pendingBranch).load(0x60810210)
	/tmp/workdir/gopath/src/golang.org/x/review/git-codereview/pending.go:47 +0x1ac
golang.org/x/review/git-codereview.cmdPending.func2()
	/tmp/workdir/gopath/src/golang.org/x/review/git-codereview/pending.go:139 +0x3b
created by golang.org/x/review/git-codereview.cmdPending
	/tmp/workdir/gopath/src/golang.org/x/review/git-codereview/pending.go:136 +0x517
FAIL	golang.org/x/review/git-codereview	600.285s