When running irb it produces this error:
Starting '/Applications/CrossOver.app/Contents/SharedSupport/CrossOver/bin/wineloader' 'winewrapper.exe' '--start' '--'
'wineconsole' 'cmd'
fixme:exec:SHELL_execute flags ignored: 0x00000100
err:ntdll:RtlpWaitForCriticalSection section 0x111fec "?" wait timed out in thread 002a, blocked by 0000, retrying (60 sec)