did you use the linux-amd64? There is another entry there linux-raspberry which only works with old pi(3)
sorry didn't mean to be rude, just covering all the bases. We are small community building with DragonRuby and its selling point is easy cross-platform development. So a couple of people in the Discord are interested in getting to the root cause. https://dragonruby.org/ if you want to join the discord and follow up. Otherwise, thanks for your time.