Solve nil pointer error

Server: localhost
Server: localhost
Command: echo start && sleep 1 && echo hi && sleep 1 && echo done
Creating localhost
Creating localhost
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x53ca23]

goroutine 1 [running]:
gitlab.dockstudios.co.uk/pub/multimand.Run(0xc0000b6070, 0xc0000c4280)
	/home/matthew/w/g/go/src/gitlab.dockstudios.co.uk/pub/multimand/main.go:39 +0x473
main.main()
	/home/matthew/w/g/go/src/gitlab.dockstudios.co.uk/pub/multimand/cmd/multimand/main.go:82 +0x22d
exit status 2