Protect against condition where job does not exist (bug 674580)
Protect against condition where job does not exist (bug 674580)

harry-7/addons-server,crdoconnor/olympia,Joergen/zamboni,eviljeff/olympia,jamesthechamp/zamboni,mozilla/zamboni,SuriyaaKudoIsc/olympia,Hitechverma/zamboni,Hitechverma/zamboni,harikishen/addons-server,Joergen/olympia,beni55/olympia,Revanth47/addons-server,ngokevin/zamboni,robhudson/zamboni,wagnerand/addons-server,mrrrgn/olympia,mstriemer/olympia,jbalogh/zamboni,yfdyh000/olympia,crdoconnor/olympia,lavish205/olympia,mozilla/zamboni,ddurst/zamboni,tsl143/addons-server,eviljeff/zamboni,tsl143/addons-server,ayushagrawal288/zamboni,kumar303/zamboni,ayushagrawal288/zamboni,wagnerand/olympia,mstriemer/addons-server,muffinresearch/addons-server,johancz/olympia,shahbaz17/zamboni,SuriyaaKudoIsc/olympia,mozilla/olympia,mrrrgn/olympia,elysium001/zamboni,yfdyh000/olympia,robhudson/zamboni,mstriemer/zamboni,wagnerand/addons-server,mozilla/olympia,elysium001/zamboni,magopian/olympia,muffinresearch/addons-server,crdoconnor/olympia,kmaglione/olympia,mozilla/addons-server,eviljeff/olympia,mozilla/zamboni,beni55/olympia,SuriyaaKudoIsc/olympia,johancz/olympia,Prashant-Surya/addons-server,mstriemer/addons-server,ayushagrawal288/zamboni,andymckay/olympia,ddurst/zamboni,ayushagrawal288/zamboni,muffinresearch/addons-server,bqbn/addons-server,muffinresearch/addons-server,Prashant-Surya/addons-server,andymckay/zamboni,mdaif/olympia,Witia1/olympia,mdaif/olympia,psiinon/addons-server,jasonthomas/zamboni,mstriemer/addons-server,mrrrgn/olympia,jasonthomas/zamboni,aviarypl/mozilla-l10n-addons-server,muffinresearch/olympia,mdaif/olympia,kumar303/addons-server,kumar303/zamboni,wagnerand/olympia,mrrrgn/olympia,crdoconnor/olympia,koehlermichael/olympia,koehlermichael/olympia,jpetto/olympia,Joergen/zamboni,mstriemer/olympia,tsl143/zamboni,atiqueahmedziad/addons-server,mstriemer/zamboni,diox/zamboni,Nolski/olympia,magopian/olympia,kumar303/addons-server,kumar303/addons-server,johancz/olympia,diox/zamboni,tsl143/addons-server,kmaglione/olympia,wagnerand/zamboni,Joergen/olympia,mrrrgn/olympia,koehlermichael/olympia,diox/zamboni,Nolski/olympia,diox/olympia,jbalogh/zamboni,harry-7/addons-server,andymckay/zamboni,koehlermichael/olympia,andymckay/olympia,Hitechverma/zamboni,luckylavish/zamboni,atiqueahmedziad/addons-server,muffinresearch/olympia,bqbn/addons-server,elysium001/zamboni,harikishen/addons-server,Joergen/zamboni,mstriemer/olympia,lavish205/olympia,muffinresearch/addons-server,yfdyh000/olympia,luckylavish/zamboni,andymckay/olympia,mdaif/olympia,yfdyh000/olympia,shahbaz17/zamboni,eviljeff/olympia,clouserw/zamboni,kumar303/zamboni,wagnerand/zamboni,shahbaz17/zamboni,crdoconnor/olympia,jasonthomas/zamboni,aviarypl/mozilla-l10n-addons-server,Joergen/zamboni,anaran/olympia,ngokevin/zamboni,yfdyh000/olympia,Joergen/olympia,jbalogh/zamboni,muffinresearch/olympia,andymckay/addons-server,Jobava/zamboni,Joergen/zamboni,wagnerand/zamboni,jpetto/olympia,jasonthomas/zamboni,mozilla/addons-server,Jobava/zamboni,eviljeff/zamboni,mudithkr/zamboni,tsl143/zamboni,anaran/olympia,wagnerand/zamboni,eviljeff/olympia,Witia1/olympia,luckylavish/zamboni,harry-7/addons-server,Jobava/zamboni,mudithkr/zamboni,kumar303/olympia,diox/olympia,ingenioustechie/zamboni,diox/zamboni,kmaglione/olympia,lavish205/olympia,mudithkr/zamboni,harry-7/addons-server,jpetto/olympia,robhudson/zamboni,clouserw/zamboni,Revanth47/addons-server,clouserw/zamboni,psiinon/addons-server,tsl143/zamboni,jpetto/olympia,bqbn/addons-server,jbalogh/zamboni,mozilla/olympia,bqbn/addons-server,kumar303/addons-server,spasovski/zamboni,kmaglione/olympia,aviarypl/mozilla-l10n-addons-server,tsl143/zamboni,Joergen/olympia,johancz/olympia,andymckay/olympia,ddurst/zamboni,harikishen/addons-server,beni55/olympia,Witia1/olympia,shahbaz17/zamboni,kumar303/olympia,Nolski/olympia,andymckay/zamboni,johancz/olympia,jamesthechamp/zamboni,jamesthechamp/zamboni,kumar303/olympia,eviljeff/zamboni,mozilla/addons-server,Prashant-Surya/addons-server,spasovski/zamboni,Joergen/zamboni,Jobava/zamboni,washort/zamboni,SuriyaaKudoIsc/olympia,jamesthechamp/zamboni,magopian/olympia,koehlermichael/olympia,muffinresearch/olympia,psiinon/addons-server,spasovski/zamboni,ingenioustechie/zamboni,wagnerand/addons-server,Witia1/olympia,mstriemer/zamboni,mstriemer/olympia,mstriemer/addons-server,magopian/olympia,diox/olympia,ingenioustechie/zamboni,elysium001/zamboni,anaran/olympia,mudithkr/zamboni,spasovski/zamboni,wagnerand/olympia,wagnerand/olympia,atiqueahmedziad/addons-server,andymckay/addons-server,kumar303/olympia,magopian/olympia,washort/zamboni,ddurst/zamboni,washort/zamboni,washort/zamboni,beni55/olympia,Revanth47/addons-server,andymckay/addons-server,muffinresearch/olympia,wagnerand/addons-server,mozilla/olympia,tsl143/addons-server,clouserw/zamboni,anaran/olympia,andymckay/addons-server,Joergen/olympia,Revanth47/addons-server,mozilla/zamboni,atiqueahmedziad/addons-server,diox/olympia,beni55/olympia,kumar303/zamboni,kmaglione/olympia,mdaif/olympia,ngokevin/zamboni,eviljeff/zamboni,mozilla/addons-server,Prashant-Surya/addons-server,Hitechverma/zamboni,luckylavish/zamboni,psiinon/addons-server,Nolski/olympia,harikishen/addons-server,robhudson/zamboni,mstriemer/zamboni,Nolski/olympia,Witia1/olympia,ingenioustechie/zamboni,lavish205/olympia,aviarypl/mozilla-l10n-addons-server