TRACE] Worker::sleep; worker=WorkerId(7)
TRACE]   sleeping -- push to stack; idx=0
TRACE] try_steal_task -- signal_work; self=1; from=6
TRACE]     -> wakeup; idx=2
TRACE]     -> starting to sleep; idx=6
TRACE]   sleeping -- push to stack; idx=7
TRACE]     -> starting to sleep; idx=0
TRACE] signal_work -- wakeup; idx=0
TRACE] found work while draining; signal_work
TRACE]     -> starting to sleep; idx=7