catch some errors in create_virtualenv
catch some errors in create_virtualenv

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