On OSX, circle began to run all commands twice instead of once. This is for all stages for all commands. See my build #253 on my account.
I have screenshots saved (not sure how to upload them here), but here is an example:
Starting the Build:
Installing inference daemon…
Installing inference daemon…
Inference daemon installed.
Inference daemon installed.
Starting inference daemon…
Starting inference daemon…
Inference daemon started.
Inference daemon started.