Chrome Version: (copy from chrome://version)
OS: (e.g. Win7, OSX 10.9.5, etc...)

Trigger stable diffs by running "./diff_queue_request -n 58.0.3029.110  -a -c stable -t win64-pgo"

Expected Result:
Should trigger stable diffs.
Queued diff generation for the following:
Platform: win64-pgo
Versions:
  57.0.2987.133 [gs://chrome-triggers/diff/diff-request-win.20170515-143416-194276.txt]
  58.0.3029.110 [gs://chrome-triggers/diff/diff-request-win.20170515-143419-863506.txt]



Actual Result:
Now dremeling for prior versions - this may take a moment...
Queued diff generation for the following:
Platform: win64-pgo
Versions:

Note: 
1. Triggering win32-pgo Stable diffs works fine.
2. Triggering win64-pgo Stable diffs "./diff_queue_request -n  58.0.3029.110 -o  57.0.2987.133 -c stable -t win64-pgo" works fine.