test/format failure
http://build.wiredtiger.com:8080/job/wiredtiger-test-race-condition-stress-sanitizer/19999/console
WIREDTIGER_CONFIG='checkpoint_sync=false,transaction_sync=(method=none),timing_stress_for_test=[internal_page_split_race]'
nextprev: WT_CURSOR.prev KEY mismatch:
bdb-key {0000051157.00/opqrstuv}
wt-key {0000094999.00/opqrstuvwxy}
bdb-value {0000051157/LMNOPQR}
wt-value {0000094999/LMNOPQRSTUVWXYZAB}
t: process 13324
############################################
# RUN PARAMETERS
############################################
abort=0
alter=0
auto_throttle=1
backups=0
bitcnt=1
bloom=1
bloom_bit_count=24
bloom_hash_count=18
bloom_oldest=0
cache=75
cache_minimum=20
checkpoints=off
checkpoint_log_size=123
checkpoint_wait=57
checksum=uncompressed
chunk_size=2
compaction=0
compression=none
data_extend=0
data_source=table
delete_pct=0
dictionary=0
direct_io=0
encryption=none
evict_max=5
file_type=row-store
firstfit=0
huffman_key=0
huffman_value=0
independent_thread_rng=1
in_memory=1
insert_pct=45
internal_key_truncation=1
internal_page_max=9
isolation=snapshot
key_gap=7
key_max=32
key_min=16
leaf_page_max=16
leak_memory=0
logging=0
logging_archive=0
logging_compression=none
logging_file_max=461867
logging_prealloc=1
long_running_txn=0
lsm_worker_threads=4
merge_max=19
mmap=1
modify_pct=19
ops=100000
prefix_compression=1
prefix_compression_min=8
quiet=1
read_pct=7
rebalance=0
repeat_data_pct=25
reverse=1
rows=100000
runs=1
salvage=0
split_pct=51
statistics=0
statistics_server=0
threads=1
timer=360
transaction_timestamps=0
transaction-frequency=14
truncate=1
value_max=80
value_min=13
verify=0
wiredtiger_config=
write_pct=29
############################################