nomad crash

output.txt

    2016/10/19 09:13:48 [DEBUG] plugin: nomad: panic: runtime error: invalid memory address or nil pointer dereference
    2016/10/19 09:13:48 [DEBUG] plugin: nomad: [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x46f3de6]
    2016/10/19 09:13:48 [DEBUG] plugin: nomad: 
    2016/10/19 09:13:48 [DEBUG] plugin: nomad: goroutine 71 [running]:
    2016/10/19 09:13:48 [DEBUG] plugin: nomad: panic(0x4b60420, 0xc4200160e0)
    2016/10/19 09:13:48 [DEBUG] plugin: nomad: 	/usr/local/Cellar/go/1.7/libexec/src/runtime/panic.go:500 +0x1a1
    2016/10/19 09:13:48 [DEBUG] plugin: nomad: github.com/hashicorp/nomad/client/driver/logging.(*FileRotator).Close(0x0)
    2016/10/19 09:13:48 [DEBUG] plugin: nomad: 	/Users/evan/go/src/github.com/hashicorp/nomad/client/driver/logging/rotator.go:199 +0x26
    2016/10/19 09:13:48 [DEBUG] plugin: nomad: github.com/hashicorp/nomad/client/driver/executor.(*UniversalExecutor).Exit(0xc420286200, 0xc42003ea98, 0x4017255)
    2016/10/19 09:13:48 [DEBUG] plugin: nomad: 	/Users/evan/go/src/github.com/hashicorp/nomad/client/driver/executor/executor.go:455 +0x90
    2016/10/19 09:13:48 [DEBUG] plugin: nomad: github.com/hashicorp/nomad/client/driver.(*ExecutorRPCServer).Exit(0xc42023d7c0, 0x0, 0x0, 0xc420289a60, 0x0, 0x0)
    2016/10/19 09:13:48 [DEBUG] plugin: nomad: 	/Users/evan/go/src/github.com/hashicorp/nomad/client/driver/executor_plugin.go:130 +0x33
    2016/10/19 09:13:48 [DEBUG] plugin: nomad: reflect.Value.call(0xc420244660, 0xc42020c040, 0x13, 0x4cc7177, 0x4, 0xc42003eef0, 0x3, 0x3, 0x0, 0x0, ...)
    2016/10/19 09:13:48 [DEBUG] plugin: nomad: 	/usr/local/Cellar/go/1.7/libexec/src/reflect/value.go:434 +0x5c8
    2016/10/19 09:13:48 [DEBUG] plugin: nomad: reflect.Value.Call(0xc420244660, 0xc42020c040, 0x13, 0xc42003eef0, 0x3, 0x3, 0x0, 0x0, 0x0)
    2016/10/19 09:13:48 [DEBUG] plugin: nomad: 	/usr/local/Cellar/go/1.7/libexec/src/reflect/value.go:302 +0xa4
    2016/10/19 09:13:48 [DEBUG] plugin: nomad: net/rpc.(*service).call(0xc42014c340, 0xc42014c300, 0xc42020a128, 0xc420236280, 0xc4202c1040, 0x4b3b320, 0xc420289a40, 0x194, 0x4abbe00, 0xc420289a60, ...)
    2016/10/19 09:13:48 [DEBUG] plugin: nomad: 	/usr/local/Cellar/go/1.7/libexec/src/net/rpc/server.go:383 +0x148
    2016/10/19 09:13:48 [DEBUG] plugin: nomad: created by net/rpc.(*Server).ServeCodec
    2016/10/19 09:13:48 [DEBUG] plugin: nomad: 	/usr/local/Cellar/go/1.7/libexec/src/net/rpc/server.go:477 +0x421
    2016/10/19 09:13:48.813057 [ERR] driver.docker: failed to kill the syslog collector: unexpected EOF
    2016/10/19 09:13:48 [DEBUG] plugin: /Users/evan/bin/nomad: plugin process exited