Bugs resolved in Moz-Phab 2.15.2:

bug 2004368 moz-phab patch -a here with jj says there is no source tree if jj config is broken
bug 2035900 Investigate setting up CodSpeed.io for moz-phab
bug 2044857 patch --raw leaks a global logger level, causing order-dependent test failures

Discuss these changes in #engineering-workflow on Slack or #Conduit...