Some of the tasks fail when running the ddfs example.

[pooya]

The following is the error message:
WARNING: [reduce:8] Worker died. Last words:
panic: more
goroutine 1 [running]:
runtime.panic(0x5d1820, 0xc21000aae0)
/usr/local/go/src/pkg/runtime/panic.c:266 +0xb6
github.com/discoproject/goworker/worker.process_input(0xc210063000, 0x17e, 0x17e, 0xc210063000, 0x17e, ...)
/home/shayan/go/src/github.com/discoproject/goworker/worker/worker.go:91 +0x817
github.com/discoproject/goworker/worker.request_input(0x5d0620, 0xc21001ede0, 0x683ed0)
/home/shayan/go/src/github.com/discoproject/goworker/worker/worker.go:81 +0x93
github.com/discoproject/goworker/worker.Run(0x6eedf8, 0x6eee00)
/home/shayan/go/src/github.com/discoproject/goworker/worker/worker.go:228 +0x5d0
main.main()
/home/shayan/go/src/github.com/discoproject/goworker/examples/count_words.go:44 +0x31

The problem is probably with the "more" inputs message in Disco. The job should succeed anyway.