I just ran felt test test/text/measurement_test.dart and noticed garbage printed to my console long after I ran that command. Example:

$ [1585109052.063][SEVERE]: Timed out receiving message from renderer: 0.100
[1585109072.779][SEVERE]: Timed out receiving message from renderer: 0.100

I checked my list of processes and found the chromedriver process still running. I suspect that's the source of the extra logging.

My engine checkout is currently synced to flutter/engine@04182cd

Second problem

Aside from the fact that I see dangling chromedriver processes, I actually did not expect chromedriver to be involved at all, since I'm not running an integration test in this case.

/cc @nturgut