test_timestamp_abort assert failure on an AWS build box:
http://build.wiredtiger.com:8080/job/wiredtiger-test-recovery-stress/10261/consoleFull
file:oplog.wt, WT_CURSOR.insert: __split_verify_intl_key_order, 114: ref->home == page file:oplog.wt, WT_CURSOR.insert: aborting WiredTiger library test_timestamp_abort: FAILED: Child process 455 abnormally exited: Invalid argument