message: CI: re-enable caching for `cargo install`ed tools
diff: language: rust
  sudo: false
  +# Cache `cargo install`ed tools, but don't cache the project's `target`
  +# directory (which ends up over-caching and filling all disk space!)
  +cache:
  + directories:
  + - /home/travis/.cargo
  +
  DEPLOY_TO_GITHUB: &DEPLOY_TO_GITHUB
  before_deploy:
  - git config --local user.name "Ashley Williams"
  