One more issue I’ve found with arm64 support, deploy phase seems to fail due to user not having permisisons to a folder in /var:
https://travis-ci.org/jay0lee/GAM/jobs/596800546#L976
I was able to resolve it by calling:
mkdir ~/.ruby
export GEM_HOME=~/.ruby
export PATH=$PATH:~/.ruby/bin
during the before-install phase but I wanted to call the issue out in case others see the same issue.