if (GET_PROTOCOL_MINOR(remoteVersion) < 3 && step->isDeterministic)
                throw Error("machine ‘%1%’ does not support deterministic builds; please upgrade it to Nix 1.12", machine->sshName);

            if (GET_PROTOCOL_MINOR(remoteVersion) < 3 && repeats > 0)
                throw Error("machine ‘%1%’ does not support repeating a build; please upgrade it to Nix 1.12", machine->sshName);