+ ../../../bench/wtperf/runners/wtperf_run.sh ../../../bench/wtperf/runners/multi-btree-zipfian-populate.wtperf 1
[1489436461:2397][30500:0x7f3e89cc5700], file:test00051.wt, WT_SESSION.checkpoint: test00051.wt: unexpected checkpoint ordering: Invalid argument
[1489436461:2457][30500:0x7f3e89cc5700], file:test00051.wt, WT_SESSION.checkpoint: the process must exit and restart: WT_PANIC: WiredTiger library panic
[1489436461:2477][30500:0x7f3e89cc5700], WT_SESSION.checkpoint: metadata unroll update file:test00051.wt to access_pattern_hint=none,allocation_size=4kb,app_metadata=,block_allocation=best,block_compressor=,cache_resident=false,checkpoint=,checkpoint_lsn=,checksum=uncompressed,collator=,columns=,dictionary=0,encryption=(keyid=,name=),format=btree,huffman_key=,huffman_value=,id=53,ignore_in_memory_cache_size=false,internal_item_max=0,internal_key_max=0,internal_key_truncate=true,internal_page_max=64kb,key_format=S,key_gap=10,leaf_item_max=0,leaf_key_max=0,leaf_page_max=4kb,leaf_value_max=0,log=(enabled=true),memory_page_max=5MB,os_cache_dirty_max=0,os_cache_max=0,prefix_compression=false,prefix_compression_min=4,split_deepen_min_child=0,split_deepen_per_child=0,split_pct=100,value_format=S,version=(major=1,minor=1): WT_PANIC: WiredTiger library panic