yada

dominicm 2018-04-02T05:31:14.000138Z

That's broken in 1.9, it needs updating to only have a single :

dgr 2018-04-02T12:04:49.000065Z

Ah, right. For the sake of moving on, run yada under 1.8 for now?

dominicm 2018-04-02T12:25:24.000234Z

it works on 1.9, but not on dev.