Fix issue where full builders end prematurely.
Fix issue where full builders end prematurely.

TBR dgarrett

Change-Id: I08b7c19b8010003857f9791ca45ec9cadb972d47

BUG=N0ne
TEST=Ran

Review URL: http://codereview.chromium.org/6352027

fivethreeo/scripts,gtank/scripts,nicescale/scripts,zhang0137/scripts,mjg59/scripts,mischief/scripts,andrejro/coreos--scripts,mischief/scripts,glevand/coreos--scripts,smilart/scripts,BugRoger/scripts,fivethreeo/scripts,glevand/coreos--scripts,sigma/coreos-scripts,andrejro/coreos--scripts,crawford/scripts,nicescale/scripts,bcwaldon/coreos-scripts,zhang0137/scripts,coreos/scripts,mjg59/scripts,coreos/scripts,vmware/coreos-scripts,gtank/scripts,sigma/coreos-scripts,marineam/coreos-scripts,crawford/scripts,bcwaldon/coreos-scripts,endocode/scripts,fivethreeo/scripts,trnubo/scripts,marineam/coreos-scripts,trnubo/scripts,crawford/scripts,mischief/scripts,bcwaldon/coreos-scripts,vmware/coreos-scripts,marineam/coreos-scripts,gtank/scripts,endocode/scripts,trnubo/scripts,zhang0137/scripts,vmware/coreos-scripts,BugRoger/scripts,mjg59/scripts,nicescale/scripts,smilart/scripts,andrejro/coreos--scripts,sigma/coreos-scripts,endocode/scripts,smilart/scripts,BugRoger/scripts