don't add errorRegex to getOutputFromCommand calls from _processCommand
don't add errorRegex to getOutputFromCommand calls from _processCommand

lundjordan/mozharness,lissyx/build-mozharness,lundjordan/mozharness,walac/build-mozharness,kartikgupta0909/build-mozharness,mozilla/build-mozharness,simar7/build-mozharness,mozilla/build-mozharness,mrrrgn/build-mozharness,escapewindow/mozharness,escapewindow/mozharness,kartikgupta0909/build-mozharness,kartikgupta0909/gittest,kartikgupta0909/mozilla-mozharness,mrrrgn/build-mozharness,kartikgupta0909/mozilla-mozharness,kartikgupta0909/gittest,lissyx/build-mozharness,armenzg/build-mozharness,simar7/build-mozharness,walac/build-mozharness,armenzg/build-mozharness