java.lang.Thread.State: RUNNABLE
	at sun.misc.Unsafe.unpark(Native Method)
	at java.util.concurrent.locks.LockSupport.unpark(LockSupport.java:141)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.unparkSuccessor(AbstractQueuedSynchronizer.java:662)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.release(AbstractQueuedSynchronizer.java:1264)
	at java.util.concurrent.locks.ReentrantLock.unlock(ReentrantLock.java:457)
	at java.util.concurrent.LinkedBlockingQueue.signalNotEmpty(LinkedBlockingQueue.java:176)
	at java.util.concurrent.LinkedBlockingQueue.offer(LinkedBlockingQueue.java:430)
	at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1371)
	at scala.concurrent.impl.ExecutionContextImpl.execute(ExecutionContextImpl.scala:20)
	at cats.effect.internals.IOShift$$anon$1.apply(IOShift.scala:28)
	at cats.effect.internals.IOShift$$anon$1.apply(IOShift.scala:26)
	at cats.effect.internals.IORunLoop$RestartCallback.start(IORunLoop.scala:337)
	at cats.effect.internals.IORunLoop$.cats$effect$internals$IORunLoop$$loop(IORunLoop.scala:119)
	at cats.effect.internals.IORunLoop$.startCancelable(IORunLoop.scala:41)
	at cats.effect.internals.IORace$.$anonfun$simple$3(IORace.scala:76)
	at cats.effect.internals.IORace$.$anonfun$simple$3$adapted(IORace.scala:65)
	at cats.effect.internals.IORace$$$Lambda$625/859605727.apply(Unknown Source)
	at cats.effect.internals.IORunLoop$RestartCallback.start(IORunLoop.scala:337)
	at cats.effect.internals.IORunLoop$.cats$effect$internals$IORunLoop$$loop(IORunLoop.scala:119)
	at cats.effect.internals.IORunLoop$RestartCallback.signal(IORunLoop.scala:351)
	at cats.effect.internals.IORunLoop$RestartCallback.run(IORunLoop.scala:362)
	at cats.effect.internals.Trampoline.cats$effect$internals$Trampoline$$immediateLoop(Trampoline.scala:70)
	at cats.effect.internals.Trampoline.startLoop(Trampoline.scala:36)