kirr@deco:~/src/neo/src/github.com/cznic/b$ go test ./...
    # github.com/cznic/b
    ./all_test.go:483:3: Fatalf format %v reads arg #3, but call has 2 args
    ./all_test.go:518:3: Fatalf format %v reads arg #3, but call has 2 args