fails:String#crypt raises an ArgumentError when the string contains NUL character
windows:String#crypt returns a cryptographic hash of self by applying the UNIX crypt algorithm with the specified salt
windows:String#crypt calls #to_str to converts the salt arg to a String
fails(FreeBSD,https://github.com/jruby/jruby/issues/9432):String#crypt returns a cryptographic hash of self by applying the UNIX crypt algorithm with the specified salt
fails(FreeBSD,https://github.com/jruby/jruby/issues/9432):String#crypt calls #to_str to converts the salt arg to a String
fails(FreeBSD,https://github.com/jruby/jruby/issues/9432):String#crypt doesn't return subclass instances
