https://uberchromegw.corp.google.com/i/chromeos/builders/lumpy-incremental-paladin/builds/10972/steps/BuildPackages%20%28pre-Patch%29/logs/stdio

09:02:29: WARNING: HttpsMonitor.send received status 429: {
  "error": {
    "code": 429,
    "message": "Resource has been exhausted (e.g. check quota).",
    "status": "RESOURCE_EXHAUSTED"
  }
}

The error raised by tsmon when trying to upload metrics. We might want to find out why.