Not seeing 'PumaWorkerKiller: Consuming XXX mb' stdout logging after SIGUSR1 signal to master pid about puma_worker_killer HOT 4 CLOSED

#<Thread:0x00007fcdc70d9c00@<path to puma_worker_killer-0.3.1>/lib/puma_worker_killer/auto_reap.rb:14 run> terminated with exception (report_on_exception is true):
Traceback (most recent call last):
	13: from <path to puma_worker_killer-0.3.1>/lib/puma_worker_killer/auto_reap.rb:17:in `block in start'
	12: from <path to puma_worker_killer-0.3.1>/lib/puma_worker_killer/reaper.rb:19:in `reap'
	11: from <path to puma_worker_killer-0.3.1>/lib/puma_worker_killer/puma_memory.rb:25:in `workers_stopped?'
	10: from <path to puma_worker_killer-0.3.1>/lib/puma_worker_killer/puma_memory.rb:29:in `running?'
	 9: from <path to puma_worker_killer-0.3.1>/lib/puma_worker_killer/puma_memory.rb:61:in `workers'
	 8: from <path to puma_worker_killer-0.3.1>/lib/puma_worker_killer/puma_memory.rb:74:in `set_workers'
	 7: from <path to puma_worker_killer-0.3.1>/lib/puma_worker_killer/puma_memory.rb:74:in `each'
	 6: from <path to puma_worker_killer-0.3.1>/lib/puma_worker_killer/puma_memory.rb:75:in `block in set_workers'
	 5: from <path to get_process_mem-0.2.7>/lib/get_process_mem.rb:69:in `mb'
	 4: from <path to get_process_mem-0.2.7>/lib/get_process_mem.rb:61:in `bytes'
	 3: from <path to get_process_mem-0.2.7>/lib/get_process_mem.rb:122:in `darwin_memory'
	 2: from <path to get_process_mem-0.2.7>/lib/get_process_mem/darwin.rb:47:in `resident_size'
	 1: from <path to get_process_mem-0.2.7>/lib/get_process_mem/darwin.rb:54:in `get_proc_pidinfo'
<path to get_process_mem-0.2.7>/lib/get_process_mem/darwin.rb:54:in `proc_pidinfo': no implicit conversion from nil to integer (TypeError)