Known Issue in Public Beta 1
Some 32-bit apps may quit unexpectedly. Affected apps include Scrivener, MacSOUP, Torch, Cisco Jabber, iBiz and others. An OS X Software Update that resolves this issue will be available soon. (Source: Apple Beta Software Guide)
OS X EL Capitan Beta Supplement Update
This update fixes an issue that may cause some 32-bit apps to quit unexpectedly
With this OS X update, Wine XT starts again.