Tested using 3 Phabricator instances (one web, one taskmaster and one storage). The web and taskmaster tiers are directed at the Conduit API of the storage tier.
Ran `bin/repository lookup-users rTESTe9683b64d3283f0b2d355fdbf231bc918b5ac0ab` and saw the information returned (by making a request to `diffusion.querycommits` as the omnipotent user).