The test failed on branch=provisional_202003240059_v20.1.0-beta.4, cloud=gce:
test artifacts and logs in: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/artifacts/20200324-1823860/clearrange/checks=true/run_1
	cluster.go:2368,clearrange.go:170,clearrange.go:33,test_runner.go:753: error with attached stack trace:
		    main.(*monitor).WaitE
		    	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/cluster.go:2356
		    main.(*monitor).Wait
		    	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/cluster.go:2364
		    main.runClearRange
		    	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/clearrange.go:170
		    main.registerClearRange.func1
		    	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/clearrange.go:33
		    main.(*testRunner).runTest.func2
		    	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/test_runner.go:753
		    runtime.goexit
		    	/usr/local/go/src/runtime/asm_amd64.s:1357
		  - monitor failure:
		  - unexpected node event: 2: dead

	cluster.go:1410,context.go:135,cluster.go:1399,test_runner.go:825: dead node detection: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/bin/roachprod monitor teamcity-1823860-1585022186-27-n10cpu4 --oneshot --ignore-empty-nodes: exit status 1 2: dead
		1: 30085
		10: 29695
		4: 28908
		7: 27649
		6: 26868
		9: 27697
		8: 29708
		3: 28157
		5: 28382
		Error:  2: dead