Labeled builds keep rebuilding

[j-wags]

When a build is set to have the beta tag, it rebuilds even if the appropriate beta package already exists on anaconda.org. I don't know whether this is a problem in the meta.yamlor with the build-skip check.

openff-evaluator is having this problem right now [1], and other packages have had this problem in the past. This can make the build process take so long that they time out before the actual new package get updated (After a restart, the latest build for [2] squeaked in 38 seconds under the 50-minute limit.

[1] https://github.com/omnia-md/conda-recipes/blob/e0d0cfd175bc3527f4e6acbe91d017cb85ba336d/openff-evaluator/meta.yaml
[2] https://travis-ci.org/omnia-md/conda-recipes/builds/653618502?utm_medium=notification&utm_source=github_status