| 	/go/src/github.com/cockroachdb/cockroach/pkg/kv/db.go:779
        	            	  | github.com/cockroachdb/cockroach/pkg/kv.(*Txn).Run
        	            	  | 	/go/src/github.com/cockroachdb/cockroach/pkg/kv/txn.go:679
        	            	  | github.com/cockroachdb/cockroach/pkg/kv.(*Txn).CommitInBatch
        	            	  | 	/go/src/github.com/cockroachdb/cockroach/pkg/kv/txn.go:745
        	            	  | github.com/cockroachdb/cockroach/pkg/kv/kvnemesis.applyBatchOp
        	            	  | 	/go/src/github.com/cockroachdb/cockroach/pkg/kv/kvnemesis/applier.go:272
        	            	  | github.com/cockroachdb/cockroach/pkg/kv/kvnemesis.applyOp.func1
        	            	  | 	/go/src/github.com/cockroachdb/cockroach/pkg/kv/kvnemesis/applier.go:129
        	            	  | github.com/cockroachdb/cockroach/pkg/kv.runTxn.func1
        	            	  | 	/go/src/github.com/cockroachdb/cockroach/pkg/kv/db.go:849
        	            	  | github.com/cockroachdb/cockroach/pkg/kv.(*Txn).exec
        	            	  | 	/go/src/github.com/cockroachdb/cockroach/pkg/kv/txn.go:961
        	            	  | github.com/cockroachdb/cockroach/pkg/kv.runTxn
        	            	  | 	/go/src/github.com/cockroachdb/cockroach/pkg/kv/db.go:848
        	            	  | github.com/cockroachdb/cockroach/pkg/kv.(*DB).Txn
        	            	  | 	/go/src/github.com/cockroachdb/cockroach/pkg/kv/db.go:830
        	            	  | github.com/cockroachdb/cockroach/pkg/kv/kvnemesis.applyOp
        	            	  | 	/go/src/github.com/cockroachdb/cockroach/pkg/kv/kvnemesis/applier.go:112
        	            	  | github.com/cockroachdb/cockroach/pkg/kv/kvnemesis.(*Applier).Apply
        	            	  | 	/go/src/github.com/cockroachdb/cockroach/pkg/kv/kvnemesis/applier.go:66
        	            	  | github.com/cockroachdb/cockroach/pkg/kv/kvnemesis.RunNemesis.func2
        	            	  | 	/go/src/github.com/cockroachdb/cockroach/pkg/kv/kvnemesis/kvnemesis.go:63
        	            	  | github.com/cockroachdb/cockroach/pkg/util/ctxgroup.GroupWorkers.func1
        	            	  | 	/go/src/github.com/cockroachdb/cockroach/pkg/util/ctxgroup/ctxgroup.go:175
        	            	  | github.com/cockroachdb/cockroach/pkg/util/ctxgroup.Group.GoCtx.func1
        	            	  | 	/go/src/github.com/cockroachdb/cockroach/pkg/util/ctxgroup/ctxgroup.go:166
        	            	  | golang.org/x/sync/errgroup.(*Group).Go.func1
        	            	  | 	/go/src/github.com/cockroachdb/cockroach/vendor/golang.org/x/sync/errgroup/errgroup.go:57
        	            	  | runtime.goexit
        	            	  | 	/usr/local/go/src/runtime/asm_amd64.s:1581
        	            	Wraps: (2) secondary error attachment
        	            	  | interface conversion: roachpb.Response is nil, not *roachpb.GetResponse
        	            	  | (1) interface conversion: roachpb.Response is nil, not *roachpb.GetResponse
        	            	  | Error types: (1) *runtime.TypeAssertionError
        	            	Wraps: (3) panic applying step 
        	            	  | db0.Txn(ctx, func(ctx context.Context, txn *kv.Txn) error {
        	            	  |   txn.ScanForUpdate(ctx, /Table/50/"3091a8b8", /Table/50/"ec3e9ac5", 0) // (["��424a5902��":"v-7", "��9adc4f9b��":"v-10"], nil)
        	            	  |   txn.GetForUpdate(ctx, /Table/50/"95e1f0c9") // (nil, nil)
        	            	  |   b := &Batch{}
        	            	  |   b.ReverseScan(ctx, /Table/50/"7aca2739", /Table/50/"c275d7d2")
        	            	  |   b.GetForUpdate(ctx, /Table/50/"19552612")
        	            	  |   b.ScanForUpdate(ctx, /Table/50/"6e046f53", /Table/50/"c6fcfaf4")
        	            	  |   txn.CommitInBatch(ctx, b)
        	            	  |   return nil
        	            	  | }): interface conversion: roachpb.Response is nil, not *roachpb.GetResponse
        	            	Error types: (1) *withstack.withStack (2) *secondary.withSecondaryError (3) *errutil.leafError
    panic.go:642: -- test log scope end --
test logs left over in: /go/src/github.com/cockroachdb/cockroach/artifacts/logTestKVNemesisSingleNode113274735
--- FAIL: TestKVNemesisSingleNode (1.13s)