[j0] =================================================================

[j0] ==7846==ERROR: LeakSanitizer: detected memory leaks
[j0] 
[j0] Direct leak of 192 byte(s) in 6 object(s) allocated from:
[j0]     #0 0x5626db69e30d in malloc /data/mci/0daf2ee55223f87d23db2ac2806d764d/toolchain-builder/tmp/build-llvm-v4.sh-PAU/llvm-project-llvmorg/compiler-rt/lib/asan/asan_malloc_linux.cpp:145:3
[j0]     #1 0x7f7060e0a7df in __wt_malloc /data/mci/416c681b82960115dafe8c476d2b048f/src/src/third_party/wiredtiger/src/os_common/os_alloc.c:91:14
[j0]     #2 0x7f7060e0c9ca in __wt_strndup /data/mci/416c681b82960115dafe8c476d2b048f/src/src/third_party/wiredtiger/src/os_common/os_alloc.c:295:5
[j0]     #3 0x7f7060ad5c06 in __config_merge_format /data/mci/416c681b82960115dafe8c476d2b048f/src/src/third_party/wiredtiger/src/config/config_collapse.c:285:11
[j0]     #4 0x7f7060ad5c06 in __wt_config_merge /data/mci/416c681b82960115dafe8c476d2b048f/src/src/third_party/wiredtiger/src/config/config_collapse.c:366:11
[j0]     #5 0x7f7060b2f3a0 in __wt_background_compact_signal /data/mci/416c681b82960115dafe8c476d2b048f/src/src/third_party/wiredtiger/src/conn/conn_compact.c:690:5
[j0]     #6 0x7f7060f7bef9 in __wt_session_compact /data/mci/416c681b82960115dafe8c476d2b048f/src/src/third_party/wiredtiger/src/session/session_compact.c:435:9
[j0]     #7 0x7f7071504914 in mongo::WiredTigerKVEngine::autoCompact(mongo::OperationContext*, bool, boost::optional<long>) /data/mci/8d6ede16353f16ae1634c8f0dff31b82/src/src/mongo/db/storage/wiredtiger/wiredtiger_kv_engine.cpp:2794:15