Summary:
Ref T10457. When tests fail, it currently takes several clicks to figure out //why// they failed.
In this project, map rebuilds and `liberate` are fairly common failure conditions, but verifying that they were the root issue requires jumping into a build, then scrolling through a log.
Instead, display details if they're available.
Test Plan:
Before:
{F1135453}
After:
{F1135454}
Reviewers: chad
Reviewed By: chad
Maniphest Tasks: T9951, T10457
Differential Revision: https://secure.phabricator.com/D15363