if [[ "$SCRIPT" == "./x.py dist" ]]; then
travis_retry brew update &&
travis_retry brew install xz &&
- travis_retry brew install swig;
+ travis_retry brew install swig@3 &&
+ brew link --force swig@3;
fi &&
travis_retry curl -fo /usr/local/bin/sccache https://s3-us-west-1.amazonaws.com/rust-lang-ci2/rust-ci-mirror/2018-04-02-sccache-x86_64-apple-darwin &&
chmod +x /usr/local/bin/sccache &&