For example, Pants builds OSX wheels against OSX 10.11 (see https://github.com/pantsbuild/pants/blob/master/.travis.yml#L92 and https://docs.travis-ci.com/user/reference/osx/#OS-X-Version), but we see:

We should probably use a CI job to build any binaries not on S3 using the same minimum images we use in pantsbuild/pants.
For example, Pants builds OSX wheels against OSX 10.11 (see https://github.com/pantsbuild/pants/blob/master/.travis.yml#L92 and https://docs.travis-ci.com/user/reference/osx/#OS-X-Version), but we see:
We should probably use a CI job to build any binaries not on S3 using the same minimum images we use in pantsbuild/pants.