gistfile1.txt

Root (0)
    --[ VM Instance Roots ]-->
VM Instance Roots (2)
    --[ Event loop active ]-->
BOOTArray (Object) (474832)
    --[ Index 0 ]-->
ThreadPoolScheduler::TimerCancellation (Object) (41546)
    --[ Unknown ]-->
Block (Object) (41547)
    --[ Unknown ]-->
BOOTCode (Object) (41548)
    --[ Unknown ]-->
in (Promise.pm:254) (Frame) (41549)
    --[ Caller ]-->
<anon> (leak.p6:22) (Frame) (35149)
    --[ Outer ]-->
get-output (leak.p6:15) (Frame) (35160)
    --[ Caller ]-->
<anon> (leak.p6:5) (Frame) (35164)
    --[ $x ]-->
Scalar (Object) (36674)
    --[ Unknown ]-->
LeakTracer (Object) (36675)