CQ is blocked and some boards failed when build package. There are some logs might be related to tremplin. 

Might be caused by CL: https://chromium-review.googlesource.com/c/chromiumos/platform2/+/1420438

Logs: https://luci-logdog.appspot.com/logs/chromeos/buildbucket/cr-buildbucket.appspot.com/8923686963620581408/+/steps/BuildPackages/0/stdout

Joel, could you help to take a look? Thanks.

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tremplin-0.0.1-r30: chromiumos/tremplin
tremplin-0.0.1-r30: # chromiumos/tremplin
tremplin-0.0.1-r30: src/chromiumos/tremplin/main.go:278:47: cannot use &server (type *tremplinServer) as type tremplin_proto.TremplinServer in argument to tremplin_proto.RegisterTremplinServer:
tremplin-0.0.1-r30: 	*tremplinServer does not implement tremplin_proto.TremplinServer (missing ExportContainer method)
tremplin-0.0.1-r30:  * ERROR: chromeos-base/tremplin-0.0.1-r30::chromiumos failed (compile phase):
tremplin-0.0.1-r30:  *   (no error message)
tremplin-0.0.1-r30:  * 
tremplin-0.0.1-r30:  * Call stack:
tremplin-0.0.1-r30:  *     ebuild.sh, line  124:  Called src_compile
tremplin-0.0.1-r30:  *   environment, line 3747:  Called cros-go_src_compile
tremplin-0.0.1-r30:  *   environment, line  833:  Called cros_go 'build' '-v' '-o' 'tremplin' 'chromiumos/tremplin'
tremplin-0.0.1-r30:  *   environment, line 1181:  Called die
tremplin-0.0.1-r30:  * The specific snippet of code:
tremplin-0.0.1-r30:  *       GOPATH="$(cros-go_gopath)" $(tc-getGO) "$@" || die
tremplin-0.0.1-r30:  * 
tremplin-0.0.1-r30:  * If you need support, post the output of `emerge --info '=chromeos-base/tremplin-0.0.1-r30::chromiumos'`,
tremplin-0.0.1-r30:  * the complete build log and the output of `emerge -pqv '=chromeos-base/tremplin-0.0.1-r30::chromiumos'`.
tremplin-0.0.1-r30:  * The complete build log is located at '/build/tael/tmp/portage/logs/chromeos-base:tremplin-0.0.1-r30:20190121-222658.log'.
tremplin-0.0.1-r30:  * For convenience, a symlink to the build log is located at '/build/tael/tmp/portage/chromeos-base/tremplin-0.0.1-r30/temp/build.log'.
tremplin-0.0.1-r30:  * The ebuild environment file is located at '/build/tael/tmp/portage/chromeos-base/tremplin-0.0.1-r30/temp/environment'.
tremplin-0.0.1-r30:  * Working directory: '/build/tael/tmp/portage/chromeos-base/tremplin-0.0.1-r30/work/tremplin-0.0.1'
tremplin-0.0.1-r30:  * S: '/build/tael/tmp/portage/chromeos-base/tremplin-0.0.1-r30/work/tremplin-0.0.1'
tremplin-0.0.1-r30: >>> Failed to emerge chromeos-base/tremplin-0.0.1-r30 for /build/tael/, Log file:
tremplin-0.0.1-r30: >>>  '/build/tael/tmp/portage/logs/chromeos-base:tremplin-0.0.1-r30:20190121-222658.log'
tremplin-0.0.1-r30: 
tremplin-0.0.1-r30:  * Messages for package chromeos-base/tremplin-0.0.1-r30 merged to /build/tael/:
tremplin-0.0.1-r30:  * Log file: /build/tael/tmp/portage/logs/chromeos-base:tremplin-0.0.1-r30:20190121-222658.log
tremplin-0.0.1-r30: 
tremplin-0.0.1-r30:  * ERROR: chromeos-base/tremplin-0.0.1-r30::chromiumos failed (compile phase):
tremplin-0.0.1-r30:  *   (no error message)
tremplin-0.0.1-r30:  * 
tremplin-0.0.1-r30:  * Call stack:
tremplin-0.0.1-r30:  *     ebuild.sh, line  124:  Called src_compile
tremplin-0.0.1-r30:  *   environment, line 3747:  Called cros-go_src_compile
tremplin-0.0.1-r30:  *   environment, line  833:  Called cros_go 'build' '-v' '-o' 'tremplin' 'chromiumos/tremplin'
tremplin-0.0.1-r30:  *   environment, line 1181:  Called die
tremplin-0.0.1-r30:  * The specific snippet of code:
tremplin-0.0.1-r30:  *       GOPATH="$(cros-go_gopath)" $(tc-getGO) "$@" || die
tremplin-0.0.1-r30:  * 
tremplin-0.0.1-r30:  * If you need support, post the output of `emerge --info '=chromeos-base/tremplin-0.0.1-r30::chromiumos'`,
tremplin-0.0.1-r30:  * the complete build log and the output of `emerge -pqv '=chromeos-base/tremplin-0.0.1-r30::chromiumos'`.
tremplin-0.0.1-r30:  * The complete build log is located at '/build/tael/tmp/portage/logs/chromeos-base:tremplin-0.0.1-r30:20190121-222658.log'.
tremplin-0.0.1-r30:  * For convenience, a symlink to the build log is located at '/build/tael/tmp/portage/chromeos-base/tremplin-0.0.1-r30/temp/build.log'.
tremplin-0.0.1-r30:  * The ebuild environment file is located at '/build/tael/tmp/portage/chromeos-base/tremplin-0.0.1-r30/temp/environment'.
tremplin-0.0.1-r30:  * Working directory: '/build/tael/tmp/portage/chromeos-base/tremplin-0.0.1-r30/work/tremplin-0.0.1'
tremplin-0.0.1-r30:  * S: '/build/tael/tmp/portage/chromeos-base/tremplin-0.0.1-r30/work/tremplin-0.0.1'