They are all timeouts:

cheets_CTS_N.7.1_r12.x86.CtsAccelerationTestCases     [ FAILED ]
cheets_CTS_N.7.1_r12.x86.CtsAccelerationTestCases       ABORT: Timed out, did not run.
cheets_CTS_N.7.1_r12.x86.CtsAppUsageHostTestCases     [ FAILED ]
cheets_CTS_N.7.1_r12.x86.CtsAppUsageHostTestCases       ABORT: Timed out, did not run.
cheets_CTS_N.7.1_r12.x86.CtsAccountManagerTestCases   [ FAILED ]
cheets_CTS_N.7.1_r12.x86.CtsAccountManagerTestCases     ABORT: Timed out, did not run.
cheets_CTS_N.7.1_r12.x86.CtsDramTestCases             [ FAILED ]
cheets_CTS_N.7.1_r12.x86.CtsDramTestCases               ABORT: Timed out, did not run.

These seem to have failed previous builds too, and the poppy builder has a lot of redness, so probably deserves attention.