| 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/alterpk.go:139
		  | main.(*monitor).Go.func1
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/cluster.go:2632
		  | golang.org/x/sync/errgroup.(*Group).Go.func1
		  | 	/home/agent/work/.go/pkg/mod/golang.org/x/sync@v0.0.0-20190911185100-cd5d95a43a6e/errgroup/errgroup.go:57
		  | runtime.goexit
		  | 	/usr/local/go/src/runtime/asm_amd64.s:1374
		Wraps: (2) failed to get pgurl for nodes: teamcity-2457363-1605769519-18-n4cpu32:1
		Wraps: (3) /home/agent/work/.go/src/github.com/cockroachdb/cockroach/bin/roachprod pgurl --external teamcity-2457363-1605769519-18-n4cpu32:1 returned
		  | stderr:
		  |
		  | stdout:
		Wraps: (4) secondary error attachment
		  | context canceled
		  | (1) context canceled
		  | Error types: (1) *errors.errorString
		Wraps: (5) context canceled
		Error types: (1) *withstack.withStack (2) *errutil.withPrefix (3) *main.withCommandDetails (4) *secondary.withSecondaryError (5) *errors.errorString

	cluster.go:2654,alterpk.go:150,alterpk.go:184,test_runner.go:755: monitor failure: monitor task failed: t.Fatal() was called
		(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.(*monitor).Wait
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/cluster.go:2650
		  | main.registerAlterPK.func3
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/alterpk.go:150
		  | main.registerAlterPK.func4
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/alterpk.go:184
		  | main.(*testRunner).runTest.func2
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/test_runner.go:755
		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
		Wraps: (4) monitor task failed
		Wraps: (5) attached stack trace
		  -- stack trace:
		  | main.init
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/cluster.go:2612
		  | runtime.doInit
		  | 	/usr/local/go/src/runtime/proc.go:5646
		  | runtime.main
		  | 	/usr/local/go/src/runtime/proc.go:191
		  | runtime.goexit
		  | 	/usr/local/go/src/runtime/asm_amd64.s:1374
		Wraps: (6) t.Fatal() was called
		Error types: (1) *withstack.withStack (2) *errutil.withPrefix (3) *withstack.withStack (4) *errutil.withPrefix (5) *withstack.withStack (6) *errutil.leafError