All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=923340

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=be3742cd976bf41cf0d1ab4ac95c7c178845f5f9010ecafa76390b78ca1dc0c5


Bot(s) for this bug's original alert(s):

linux-perf

system_health.memory_desktop - Benchmark documentation link:
  https://bit.ly/system-health-benchmarks

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/13af0baa540000

😿 Pinpoint job stopped with an error.
https://pinpoint-dot-chromeperf.appspot.com/job/13af0baa540000

An error occured while connecting to the server: Unable to fetch URL: https://storage.googleapis.com/chrome-isolated/default-gzip/36bcd55cd9434d138647626c8f6e3f83667de949?GoogleAccessId=server%40chrome-isolated.iam.gserviceaccount.com&Expires=1547839581&Signature=eNtYJXF2TD7GjObE19GC3ytHFyV1Ok7HNJin1tHM85efKfQyRAC0l34pJUbrB7Hf7bK45crmzrfPn%2BKHBRL%2BC6LBXDJB5s%2BO3wUMAC0uuntzTG39mlOVrY7MFnr73N6JUjtNT1aIyK4ES%2B7eZyhqugyrAznenpYmNSjwDXmk2DHL%2Fv6wV5N9lMAWWfPE6iOOqcIPqRUA6A0jyqsyIEHds2Qi%2FIaltVf2OBvdsuts3F1TCqq0MSt1V7bMkvZAK7oFaBUQ9Om02QaVbeEwj9PTCST0X95eAID4tM27GET%2FxerUmNnISl%2FLTfYGBlgF3mfZRXspEYBAByAB6OP6mtU65A%3D%3D

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/11904606540000

😿 Pinpoint job stopped with an error.
https://pinpoint-dot-chromeperf.appspot.com/job/11904606540000

The swarming task expired. The bots are likely overloaded, dead, or misconfigured.