The test failed on branch=release-20.2, cloud=gce:
test artifacts and logs in: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/artifacts/tpccbench/nodes=9/cpu=4/chaos/partition/run_1
	test_runner.go:814: test timed out (10h0m0s)

	tpcc.go:874,tpcc.go:576,test_runner.go:755: monitor failure: monitor task failed: context canceled
		(1) attached stack trace
		  -- stack trace:
		  | main.(*monitor).WaitE
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/cluster.go:2642
		  | main.runTPCCBench.func3
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/tpcc.go:851
		  | github.com/cockroachdb/cockroach/pkg/util/search.searchWithSearcher
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/util/search/search.go:43
		  | github.com/cockroachdb/cockroach/pkg/util/search.(*lineSearcher).Search
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/util/search/search.go:173
		  | main.runTPCCBench
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/tpcc.go:759
		  | main.registerTPCCBenchSpec.func1
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/tpcc.go:576
		  | [...repeated from below...]
		Wraps: (2) monitor failure
		Wraps: (3) attached stack trace
		  -- stack trace:
		  | main.(*monitor).wait.func2
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/cluster.go:2698
		  | runtime.goexit
		  | 	/usr/local/go/src/runtime/asm_amd64.s:1374
		Wraps: (4) monitor task failed
		Wraps: (5) context canceled
		Error types: (1) *withstack.withStack (2) *errutil.withPrefix (3) *withstack.withStack (4) *errutil.withPrefix (5) *errors.errorString