I've compressed it to daemons.log.xz, but probably we do not need a rotation policy, only avoid the only error being logged:
(I am unsure how public it is, so I am truncating certains strings)
```
STDERR
[2016-01-25 12:21:54] EXCEPTION: (Exception) git fetch failed with error #128:
stdout:
stderr:fatal: remote error: Git repository not found
at [<phabricator>/src/applications/repository/engine/PhabricatorRepositoryPullEngine.php:337]
arcanist(head=XXXXXXXXXXXXXXXXXXX, ref.master=XXXXXXXXXXXXXXXX), phabricator(head=production, ref.master=XXXXXXXXX, ref.production=XXXXXXXXXXXX, custom=7), phutil(head=XXXXXXXXXXXXXXXXXXXXXXX, ref.master=XXXXXXXXXXX), security(head=XXXXXXXXXXXXXXXXXXXXXX, ref.master=XXXXXXXX), sprint(head=XXXXXXXXXXXXXXXXXXXXXXXXXX, ref.master=XXXXXXXX)
#0 PhabricatorRepositoryPullEngine::executeGitUpdate() called at [<phabricator>/src/applications/repository/engine/PhabricatorRepositoryPullEngine.php:93]
#1 PhabricatorRepositoryPullEngine::pullRepository() called at [<phabricator>/src/applications/repository/management/PhabricatorRepositoryManagementUpdateWorkflow.php:80]
#2 Phabricator... (380 more bytes) ... at [<phutil>/src/future/exec/ExecFuture.php:416]
[25-Jan-2016 12:21:55 UTC] arcanist(head=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX, ref.master=XXXXXXXXX), phabricator(head=production, ref.master=XXXXXXXXXXX, ref.production=XXXXXXXXX, custom=7), phutil(head=d6c7d72bb2142b63197126e553a885c8072f9101, ref.master=XXXXXXXX), security(head=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX, ref.master=XXXXXXXXXX), sprint(head=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX, ref.master=XXXXXXXX)
[25-Jan-2016 12:21:55 UTC] #0 <#3> ExecFuture::resolvex() called at [<phabricator>/src/applications/repository/daemon/PhabricatorRepositoryPullLocalDaemon.php:361]
[25-Jan-2016 12:21:55 UTC] #1 phlog(PhutilProxyException) called at [<phabricator>/src/applications/repository/daemon/PhabricatorRepositoryPullLocalDaemon.php:368]
[25-Jan-2016 12:21:55 UTC] #2 PhabricatorRepositoryPullLocalDaemon::resolveUpdateFuture(PhabricatorRepository, ExecFuture, integer) called at [<phabricator>/src/applications/repository/daemon/PhabricatorRepositoryPullLocalDaemon.php:201]
[25-Jan-2016 12:21:55 UTC] #3 PhabricatorRepositoryPullLocalDaemon::run() called at [<phutil>/src/daemon/PhutilDaemon.php:183]
[25-Jan-2016 12:21:55 UTC] #4 PhutilDaemon::execute() called at [<phutil>/scripts/daemon/exec/exec_daemon.php:125]
```