The test failed on branch=provisional_202007271721_v20.1.4, cloud=gce:
test artifacts and logs in: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/artifacts/decommission/nodes=4/duration=1h0m0s/run_1
	decommission.go:262,decommission.go:47,test_runner.go:754: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/bin/roachprod start -a=--join 10.128.0.45:26257 --attrs=node1 teamcity-2122385-1595896218-01-n4cpu4:1 returned: exit status 1
		(1) /home/agent/work/.go/src/github.com/cockroachdb/cockroach/bin/roachprod start -a=--join 10.128.0.45:26257 --attrs=node1 teamcity-2122385-1595896218-01-n4cpu4:1 returned
		  | stderr:
		  |
		  | stdout:
		  | teamcity-2122385-1595896218-01-n4cpu4: starting nodes
		  | teamcity-2122385-1595896218-01-n4cpu4: initializing clusterI200728 00:34:59.441576 21 cockroach.go:163  unable to initialize cluster: ~ 
		  | 		if ! test -e /mnt/data1/cockroach/cluster-bootstrapped ; then
		  | 			COCKROACH_CONNECT_TIMEOUT=0 ./cockroach init --url 'postgres://root@localhost:26257?sslmode=disable' && touch /mnt/data1/cockroach/cluster-bootstrapped
		  | 		fi
		  | warning: --url specifies user/password, but command "init" does not accept user/password details - details ignored
		  | *
		  | * ERROR: ERROR: rpc error: code = Unknown desc = already connected to cluster
		  | *
		  | E200728 00:34:59.408191 1 cli/error.go:373  ERROR: rpc error: code = Unknown desc = already connected to cluster
		  | ERROR: rpc error: code = Unknown desc = already connected to cluster
		  | Failed running "init": exit status 1
		Wraps: (2) exit status 1
		Error types: (1) *main.withCommandDetails (2) *exec.ExitError