Looks like it successfully pushed the uprev for overlay-variant-auron-paine.
In fact, the pushed uprev is in the tree:

commit 6d31e2ecc3f9985d436f97c107b2c08494abbcdb
Author: chrome-bot <chrome-bot@chromium.org>
Date:   Tue Oct 24 22:58:21 2017 -0700

    Marking set of ebuilds as stable
    
    Marking 9999 ebuild for chromeos-base/temp-metrics as stable.
    
    Change-Id: Ie97923cebf712c4b55846a9225401e224cbac734
    
    Marking 9999 ebuild for media-libs/arc-camera3-hal-intel-ipu3 as stable.
    
    Change-Id: If1da6398d2dc169acd246f08e8e38c88b8f1a42c

It then seems to have tried the same uprev for overlay-daisy (going by cwd of the rebase):


22:5822:58:21: INFO: For /b/c/cbuild/repository/src/overlays/overlay-variant-auron-paine, using description Marking set of ebuilds as stable
Marking 9999 ebuild for chromeos-base/temp-metrics as stable.
Change-Id: Ie97923cebf712c4b55846a9225401e224cbac734
Marking 9999 ebuild for media-libs/arc-camera3-hal-intel-ipu3 as stable.
Change-Id: If1da6398d2dc169acd246f08e8e38c88b8f1a42c
22:58:24: INFO: Successfully pushed /b/c/cbuild/repository/src/overlays/overlay-variant-auron-paine to cros merge_branch:refs/heads/master
cros_mark_as_stable: Unhandled exception:
Traceback (most recent call last):
  File "/b/c/cbuild/repository/chromite/bin/cros_mark_as_stable", line 169, in <module>
    DoMain()
  File "/b/c/cbuild/repository/chromite/bin/cros_mark_as_stable", line 165, in DoMain
    commandline.ScriptWrapperMain(FindTarget)
  File "/b/c/cbuild/repository/chromite/lib/commandline.py", line 911, in ScriptWrapperMain
    ret = target(argv[1:])
  File "/b/c/cbuild/repository/chromite/scripts/cros_mark_as_stable.py", line 292, in main
    staging_branch=options.staging_branch)
  File "/b/c/cbuild/repository/chromite/scripts/cros_mark_as_stable.py", line 127, in PushChange
    git.SyncPushBranch(cwd, remote_ref.remote, remote_ref.ref)
  File "/b/c/cbuild/repository/chromite/lib/git.py", line 1301, in SyncPushBranch
    RunGit(git_repo, ['rebase', rebase_target])
  File "/b/c/cbuild/repository/chromite/lib/git.py", line 821, in RunGit
    ['git'] + cmd, **kwargs)
  File "/b/c/cbuild/repository/chromite/lib/retry_util.py", line 244, in GenericRetry
    return _run()
  File "/b/c/cbuild/repository/chromite/lib/retry_util.py", line 177, in _Wrapper
    ret = func(*args, **kwargs)
  File "/b/c/cbuild/repository/chromite/lib/retry_util.py", line 243, in _run
    return functor(*args, **kwargs)
  File "/b/c/cbuild/repository/chromite/lib/cros_build_lib.py", line 654, in RunCommand
    raise RunCommandError(msg, cmd_result)
chromite.lib.cros_build_lib.RunCommandError: return code: 128; command: git rebase refs/remotes/cros/master
error: Could not open baseboard-poppy/media-libs/arc-camera3-hal-intel-ipu3/arc-camera3-hal-intel-ipu3-0.0.1-r83.ebuild: No such file or directory
error: Failed to merge in the changes.
First, rewinding head to replay your work on top of it...
Applying: Marking 9999 ebuild for media-libs/arc-camera3-hal-intel-ipu3 as stable.
Using index info to reconstruct a base tree...
A	baseboard-poppy/media-libs/arc-camera3-hal-intel-ipu3/arc-camera3-hal-intel-ipu3-0.0.1-r82.ebuild
Falling back to patching base and 3-way merge...
CONFLICT (rename/rename): Rename "baseboard-poppy/media-libs/arc-camera3-hal-intel-ipu3/arc-camera3-hal-intel-ipu3-0.0.1-r82.ebuild"->"baseboard-poppy/media-libs/arc-camera3-hal-intel-ipu3/arc-camera3-hal-intel-ipu3-9999.ebuild" in branch "HEAD" rename "baseboard-poppy/media-libs/arc-camera3-hal-intel-ipu3/arc-camera3-hal-intel-ipu3-0.0.1-r82.ebuild"->"baseboard-poppy/media-libs/arc-camera3-hal-intel-ipu3/arc-camera3-hal-intel-ipu3-0.0.1-r83.ebuild" in "Marking 9999 ebuild for media-libs/arc-camera3-hal-intel-ipu3 as stable."
Patch failed at 0001 Marking 9999 ebuild for media-libs/arc-camera3-hal-intel-ipu3 as stable.
The copy of the patch that failed is found in: .git/rebase-apply/patch
When you have resolved this problem, run "git rebase --continue".
If you prefer to skip this patch, run "git rebase --skip" instead.
To check out the original branch and stop rebasing, run "git rebase --abort".
cmd=['git', 'rebase', u'refs/remotes/cros/master'], cwd=/b/c/cbuild/repository/src/overlays/overlay-daisy
22:58:25: ERROR: 
https://uberchromegw.corp.google.com/i/chromeos/builders/master-paladin/builds/16702