Current Pwnbot runtime is 6.10 as seen in the [lambda resource declaration]( https://github.com/coinbase/pwnbot/blob/f0ea677c8142036fddccda8f960bacc347b3d7f4/resources/pwnbot.rb#L155) Support for 6.10 has been EoL'd somewhere between April and August of 2019, per the [AWS Runtime Support Policy](https://docs.aws.amazon.com/lambda/latest/dg/runtime-support-policy.html).