# github.com/user/project
src/main.go:10:2: undefined: x
src/main.go:11:9: undefined: y
# github.com/user/project/pkg
src/pkg/util.go:5:2: undefined: Helper
cannot find package "example.com/pkg" in any of:
	/usr/local/go/src/example.com/pkg (from $GOROOT)
	/home/user/go/src/example.com/pkg (from $GOPATH)
