Ignoring GEM because its extensions are not built

Question

On both my work and home computers, I recently upgraded Ruby to 2.3.1, using ruby-install. I use chruby as my Ruby switcher.

I started seei

Answer 1

Uninstall and reinstall of Vagrant also works. There's an unistall.tool bash script included in the installer .dmg image that will remove Vagrant.

Found this solution here: Updating Vagrant and Gems Extentions Not Built In