This project used the free continuous integration system offered by TravisCI at travis-ci.org. This is the message on their website and they no longer support a free tier for open source projects.
Since June 15th, 2021, the building on [travis-ci.org](http://www.travis-ci.org/) is ceased.
This project used the free continuous integration system offered by TravisCI at travis-ci.org. This is the message on their website and they no longer support a free tier for open source projects.
Since June 15th, 2021, the building on [travis-ci.org](http://www.travis-ci.org/) is ceased.CircleCI appears to be a suitable alternative.