Completed the promise partially.
Now if script fails, console.log output will be in Activity Log. But unfortunately this will not affect your particular case in a screenshot. Will investigate it a bit more, in a case on a screenshot an engine has failed unexpectedly, probably it’s a bug on our side. But in 99% of cases debugging will become easier I hope.
Failed to add stack trace, need to dig further, probably not an easy thing to do.
About latest NodeJs features: we use Node 12, probably will migrate in future, no exact promise here.