R1:b833e324bd4a

While waiting for a "bin/drydock" lease to activate, entertain the user with log output

Summary: Depends on D19071. Ref T13073. While the daemons are supposedly doing things, show the user any logs they generate. There's often something relevant but unearthing it can be involved.

Test Plan: {F5427773}

Subscribers: PHID-OPKG-gm6ozazyms6q6i22gyam

Maniphest Tasks: T13073

Differential Revision: https://secure.phabricator.com/D19072