upgrade rollback job permafailing. panic in resource_growth.go

sippy
testgrid
example
trace:

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x5c5ca52]

goroutine 1 [running]:
github.com/openshift/origin/pkg/synthetictests.comparePostUpgradeResourceCountFromMetrics(

Unknown macro: {0x842079d, 0x49}

,

Unknown macro: {0x8220bac, 0x7}

)
github.com/openshift/origin/pkg/synthetictests/resource_growth.go:77 +0x1b2
github.com/openshift/origin/pkg/synthetictests.testNoExcessiveSecretGrowthDuringUpgrade(...)
github.com/openshift/origin/pkg/synthetictests/resource_growth.go:23
github.com/openshift/origin/pkg/synthetictests.SystemUpgradeEventInvariants(

Unknown macro: {0xc0147ec000, 0xc6c7, 0xdfa2}

, 0x501?, 0x0?,

Unknown macro: {0x8217a4f, 0x3}

, 0x1?)
github.com/openshift/origin/pkg/synthetictests/event_junits.go:90 +0x1d51
github.com/openshift/origin/pkg/test/ginkgo.JUnitForEventsFunc.JUnitsForEvents(0x702c340?,

Unknown macro: {0xc0147ec000?, 0xc016868bd8?, 0xc000e50830?}

, 0xc011576000?, 0x721d520?,

Unknown macro: {0x8217a4f?, 0x7215ce0?}

, 0xc00c1eb700?)
github.com/openshift/origin/pkg/test/ginkgo/synthentic_tests.go:30 +0x43
github.com/openshift/origin/pkg/test/ginkgo.JUnitsForAllEvents.JUnitsForEvents(

Unknown macro: {0xc00ff293e0?, 0x2, 0x7fff926b3d9c?}

,

, 0x1?, 0x1?,

Unknown macro: {0x8217a4f, 0x3}

, ...)
github.com/openshift/origin/pkg/test/ginkgo/synthentic_tests.go:43 +0x103
github.com/openshift/origin/pkg/test/ginkgo.(*Options).Run(0xc00233e0e0, 0xc1b8160,

Unknown macro: {0x82832e7, 0x17}

)
github.com/openshift/origin/pkg/test/ginkgo/cmd_runsuite.go:460 +0x2e4f
main.newRunUpgradeCommand.func1.1()
github.com/openshift/origin/cmd/openshift-tests/openshift-tests.go:388 +0x2fd
main.mirrorToFile(0xc00233e0e0, 0xc001bd1bc0)
github.com/openshift/origin/cmd/openshift-tests/openshift-tests.go:472 +0x653
main.newRunUpgradeCommand.func1(0xc000e63180?,

Unknown macro: {0xc000458210?, 0xb?, 0xb?}

)
github.com/openshift/origin/cmd/openshift-tests/openshift-tests.go:365 +0x5c
github.com/spf13/cobra.(*Command).execute(0xc000e63180,

Unknown macro: {0xc000458160, 0xb, 0xb}

)
github.com/spf13/cobra@v1.4.0/command.go:856 +0x67c
github.com/spf13/cobra.(*Command).ExecuteC(0xc000e62c80)
github.com/spf13/cobra@v1.4.0/command.go:974 +0x3b4
github.com/spf13/cobra.(*Command).Execute(...)
github.com/spf13/cobra@v1.4.0/command.go:902
main.main.func1(0xc002342600?)
github.com/openshift/origin/cmd/openshift-tests/openshift-tests.go:95 +0x8a
main.main()