traffic_logstats dies when printing log

[daruma:trafficserver 598]$ ./bin/traffic_logstats  -l var/log/trafficserver/squid.blog 
FATAL: ./logging/LogStandalone.cc:96: failed assert `setrlimit((RLIMCAST) which, &rl) >= 0`
./bin/traffic_logstats - STACK TRACE: 
0   libtsutil.3.dylib                   0x00000001000cbb6b ink_fatal + 123
1   libtsutil.3.dylib                   0x00000001000ca571 _ink_assert + 145
2   traffic_logstats                    0x00000001000052f4 _Z11init_systemv + 100
3   traffic_logstats                    0x000000010000538b _Z25init_log_standalone_basicPKc + 27
4   traffic_logstats                    0x00000001000055ab main + 411
5   traffic_logstats                    0x0000000100001484 start + 52
6   ???                                 0x0000000000000003 0x0 + 3
Abort trap
[daruma:trafficserver 599]$ ./bin/traffic_logstats  -f var/log/trafficserver/squid.blog 
FATAL: ./logging/LogStandalone.cc:96: failed assert `setrlimit((RLIMCAST) which, &rl) >= 0`
./bin/traffic_logstats - STACK TRACE: 
0   libtsutil.3.dylib                   0x00000001000cbb6b ink_fatal + 123
1   libtsutil.3.dylib                   0x00000001000ca571 _ink_assert + 145
2   traffic_logstats                    0x00000001000052f4 _Z11init_systemv + 100
3   traffic_logstats                    0x000000010000538b _Z25init_log_standalone_basicPKc + 27
4   traffic_logstats                    0x00000001000055ab main + 411
5   traffic_logstats                    0x0000000100001484 start + 52
6   ???                                 0x0000000000000003 0x0 + 3
Abort trap
[daruma:trafficserver 600]$ ./bin/traffic_logstats
FATAL: ./logging/LogStandalone.cc:96: failed assert `setrlimit((RLIMCAST) which, &rl) >= 0`
./bin/traffic_logstats - STACK TRACE: 
0   libtsutil.3.dylib                   0x00000001000cbb6b ink_fatal + 123
1   libtsutil.3.dylib                   0x00000001000ca571 _ink_assert + 145
2   traffic_logstats                    0x00000001000052f4 _Z11init_systemv + 100
3   traffic_logstats                    0x000000010000538b _Z25init_log_standalone_basicPKc + 27
4   traffic_logstats                    0x00000001000055ab main + 411
5   traffic_logstats                    0x0000000100001484 start + 52
6   ???                                 0x0000000000000001 0x0 + 1
Abort trap