Filed by sheriff-o-matic@appspot.gserviceaccount.com on behalf of tfiga@chromium.org

edgar-paladin:3720 failed

Builders failed on: 
- edgar-paladin: 
  https://cros-goldeneye.corp.google.com/chromeos/healthmonitoring/buildDetails?buildbucketId=8937645122196298896

3719 and 3721 failed with the same reason:
https://luci-milo.appspot.com/buildbot/chromeos/edgar-paladin/3719
https://luci-milo.appspot.com/buildbot/chromeos/edgar-paladin/3721

2018/08/20 20:37:12 Started test arc.Boot
2018/08/20 20:37:12 [20:37:11.890] Restarting ui job
2018/08/20 20:37:13 [20:37:13.464] Waiting for org.chromium.SessionManager D-Bus service
2018/08/20 20:37:13 [20:37:13.488] Asking session_manager to enable Chrome testing
2018/08/20 20:37:13 [20:37:13.491] Waiting for Chrome to write its debugging port to /home/chronos/DevToolsActivePort
2018/08/20 20:37:15 [20:37:14.733] Removing cryptohome for testuser@gmail.com
2018/08/20 20:37:15 [20:37:14.807] Finding OOBE DevTools target
2018/08/20 20:37:15 [20:37:14.992] Connecting to Chrome at ws://127.0.0.1:45555/devtools/page/2101A038719DDAEF647B5442AD8AFBDB
2018/08/20 20:37:15 [20:37:15.259] Waiting for OOBE
2018/08/20 20:37:20 [20:37:19.915] Logging in as user "testuser@gmail.com"
2018/08/20 20:37:20 [20:37:20.243] Waiting for cryptohome /home/user/800d98871591620853e6e54c8a024b5d832234d4
2018/08/20 20:37:23 [20:37:23.348] Waiting for OOBE to be dismissed
2018/08/20 20:37:26 [20:37:26.095] Waiting for Android boot
2018/08/20 20:38:56 [20:38:56.081] Error at boot.go:39: Failed to start ARC: failed waiting for ro.arc.boot_completed=1 (system_server crashed before BOOT_COMPLETED?): context deadline exceeded
2018/08/20 20:38:56 [20:38:56.081] Stack trace:
chromiumos/tast/local/bundles/cros/arc.Boot(0xc4200ca600)
	/build/edgar/tmp/portage/chromeos-base/tast-local-tests-cros-0.0.1-r141/work/tast-local-tests-cros-0.0.1/src/chromiumos/tast/local/bundles/cros/arc/boot.go:39 +0x268
chromiumos/tast/testing.(*Test).Run.func2(0xc4200ca600, 0xc42006c150, 0xc420129320)
	/build/edgar/tmp/portage/chromeos-base/tast-local-tests-cros-0.0.1-r141/work/tast-local-tests-cros-0.0.1/tast-base/src/chromiumos/tast/testing/test.go:108 +0x66
created by chromiumos/tast/testing.(*Test).Run
	/build/edgar/tmp/portage/chromeos-base/tast-local-tests-cros-0.0.1-r141/work/tast-local-tests-cros-0.0.1/tast-base/src/chromiumos/tast/testing/test.go:100 +0xc0
2018/08/20 20:38:56 Completed test arc.Boot in 1m44.815s with 1 error(s)