go vet error message

[GoogleCodeExporter]

code.google.com/p/go-uuid/uuid/uuid.go:116: unreachable code
code.google.com/p/go-uuid/uuid/uuid_test.go:319: no formatting directive in 
Errorf call
code.google.com/p/go-uuid/uuid/uuid_test.go:328: no formatting directive in 
Errorf call
code.google.com/p/go-uuid/uuid/uuid_test.go:331: no formatting directive in 
Errorf call


What is the expected output? What do you see instead?


What version of the product are you using? On what operating system?


Please provide any additional information below.

Original issue reported on code.google.com by tailinchu on 27 Dec 2014 at 2:01