The lustre test framework is responsible for the results.yml file. It might be a correct failure as there was a failure in cleaning up the ost-pools test:
06:55:47:Starting test test_complete in suite ost-pools timeout at 1441094147
06:55:47:== ost-pools test complete, duration 2160 sec == 06:55:40 (1441090540)
06:55:47:CMD: shadow-35vm3 lctl pool_list lustre
06:55:47:Pools from lustre:
06:55:47:rm: cannot remove `/mnt/lustre/d405.sanity-hsm/striped_dir': Directory not empty
06:55:47:rm: cannot remove `/mnt/lustre/d500.sanity-hsm': Directory not empty
06:55:47: ost-pools : @@@@@@ FAIL: remove sub-test dirs failed
06:55:47: Trace dump:
06:55:47: = /usr/lib64/lustre/tests/test-framework.sh:4748:error_noexit()
06:55:47: = /usr/lib64/lustre/tests/test-framework.sh:4779:error()
06:55:47: = /usr/lib64/lustre/tests/test-framework.sh:4293:check_and_cleanup_lustre()
06:55:47: = /usr/lib64/lustre/tests/ost-pools.sh:1574:main()
06:55:47:Dumping lctl log to /logdir/test_logs/2015-09-01/lustre-ppc-el6_6-x86_64-vs-lustre-ppc-el6_6-x86_64_ppc64-review-dne-part-2-1_2_1_191_-70079184457860-005147/ost-pools..*.1441090543.log
06:55:47:CMD: shadow-31.shadow.whamcloud.com,shadow-35vm2,shadow-35vm3,shadow-35vm4,shadow-35vm5,shadow-35vm6,shadow-35vm7 /usr/sbin/lctl dk > /logdir/test_logs/2015-09-01/lustre-ppc-el6_6-x86_64-vs-lustre-ppc-el6_6-x86_64_ppc64-review-dne-part-2-1_2_1_191_-70079184457860-005147/ost-pools..debug_log.\$(hostname -s).1441090543.log;
06:55:47: dmesg > /logdir/test_logs/2015-09-01/lustre-ppc-el6_6-x86_64-vs-lustre-ppc-el6_6-x86_64_ppc64-review-dne-part-2-1_2_1_191_-70079184457860-005147/ost-pools..dmesg.\$(hostname -s).1441090543.log
06:55:59:ost-pools returned 0
+1 on master https://testing.hpdd.intel.com/test_sets/e897ff26-0c90-11e8-a6ad-52540065bddc