Show stdout/stderr on abort() if it was previously hidden
Show stdout/stderr on abort() if it was previously hidden

Fixes #527

hrubi/fabric,MjAbuz/fabric,cgvarela/fabric,ploxiln/fabric,mathiasertl/fabric,qinrong/fabric,tolbkni/fabric,cmattoon/fabric,bitprophet/fabric,haridsv/fabric,opavader/fabric,bspink/fabric,SamuelMarks/fabric,pashinin/fabric,itoed/fabric,rodrigc/fabric,askulkarni2/fabric,bitmonk/fabric,StackStorm/fabric,amaniak/fabric,tekapo/fabric,fernandezcuesta/fabric,kmonsoor/fabric,pgroudas/fabric,sdelements/fabric,TarasRudnyk/fabric,jaraco/fabric,likesxuqiang/fabric,kxxoling/fabric,elijah513/fabric,rbramwell/fabric,rane-hs/fabric-py3,raimon49/fabric,xLegoz/fabric,getsentry/fabric