https://cros-goldeneye.corp.google.com/chromeos/healthmonitoring/buildDetails?buildbucketId=8923878291517623840

  cheets_CTS_N.7.1_r24.x86.CtsAccelerationTestCases     [ FAILED ]
  cheets_CTS_N.7.1_r24.x86.CtsAccelerationTestCases       ABORT: Timed out, did not run.
  cheets_CTS_N.7.1_r24.x86.CtsAccountManagerTestCases   [ FAILED ]
  cheets_CTS_N.7.1_r24.x86.CtsAccountManagerTestCases     ABORT: Timed out, did not run.

(not sure who should own this buy maybe Keith can help)

Unfortunately there isn't much to go on with.  This is the end of autoserv.DEBUG:

01/19 12:48:54.762 INFO |          autoserv:0739| Results placed in /usr/local/autotest/results/278531803-chromeos-test/chromeos4-row6-rack9-host13
01/19 12:48:54.794 ERROR|          autoserv:0744| No existing results directory found: /usr/local/autotest/results/278531803-chromeos-test/chromeos4-row6-rack9-host13

Maybe you can look for the DUT logs from later runs.