mozilla/rr — pull request #1111 by cgjones (2014-04-25 19:55:29+00:00)
Title: The right env var is _RR_TRACE_DIR.

@passimm if you were already following the instructions printed after the test failed (#656), this bug would cause the wrong environment to be used and you would see the "/root/.rr/latest-trace/version' not found" error.