account for cases where stdout and stderr might not exist
account for cases where stdout and stderr might not exist

jaisonerick/heaven,atmos/heaven,digideskio/heaven,flowdock/heaven,eLobato/heaven,travis-ci/heaven,jaisonerick/heaven,getsentry/heaven,sharetribe/heaven,jaisonerick/heaven,rnaveiras/heaven,n3tr/heaven,rothsa/heaven,cloudy9101/heaven,getsentry/heaven,rnaveiras/heaven,shift/heaven,eLobato/heaven,ResultadosDigitais/heaven,n3tr/heaven,waysact/heaven,pulibrary/heaven,markpundsack/heaven,n3tr/heaven,ngpestelos/heaven,flowdock/heaven,ResultadosDigitais/newrelic_notifier,maletor/heaven,pulibrary/heaven,sharetribe/heaven,rothsa/heaven,LoveMondays/heaven,atmos/heaven,waysact/heaven,ResultadosDigitais/heaven,LoveMondays/heaven,cloudy9101/heaven,kidaa/heaven,travis-ci/heaven,dLobatog/heaven,ResultadosDigitais/heaven,ngpestelos/heaven,flowdock/heaven,TailorDev/heaven,ngpestelos/heaven,digideskio/heaven,markpundsack/heaven,ResultadosDigitais/newrelic_notifier,maletor/heaven,digideskio/heaven,rnaveiras/heaven,LoveMondays/heaven,cloudy9101/heaven,rothsa/heaven,shift/heaven,travis-ci/heaven,kidaa/heaven,shift/heaven,sharetribe/heaven,dLobatog/heaven,dLobatog/heaven,pulibrary/heaven,TailorDev/heaven,maletor/heaven,kidaa/heaven,markpundsack/heaven,ackimwilliams/heaven,ResultadosDigitais/newrelic_notifier,TailorDev/heaven,eLobato/heaven,ackimwilliams/heaven,waysact/heaven,ackimwilliams/heaven,atmos/heaven