[N1QL] inline function returns a panic

Fresh install load up travel-sample and beer-sample
Create this function:
CREATE FUNCTION func4()

{ (select * from args[0] t where t.args[1] = args[2]) }

Run it:
execute function func4("travel-sample",type,"airline")

[

{ "code": 5001, "msg": "Panic: runtime error: invalid memory address or nil pointer dereference" }

]

You will get this panic

Here is the function entry in the keyspace
"functions_cache":

{ "#language": "inline", "avgServiceTime": "477.131µs", "expression": "(select self.* from (`args`[0]) as `t` where (((`t`.`args`)[1]) = (`args`[2])))", "lastUse": "2019-07-10 15:59:33.969529866 -0700 PDT m=+1833.863983592", "maxServiceTime": "477.131µs", "minServiceTime": "0s", "name": "func4", "namespace": "default", "node": "172.23.96.171:8091", "type": "global", "uses": 1 }

Here are the logs:
https://s3.amazonaws.com/bugdb/jira/inlinefunctions/collectinfo-2019-07-10T230201-ns_1%40172.23.96.249.zip
https://s3.amazonaws.com/bugdb/jira/inlinefunctions/collectinfo-2019-07-10T230201-ns_1%40172.23.96.171.zip