Hi, I've added simple Java builders for JDK 8 and 11. The required change was quite small [1], but a build takes a bit more than 2 minutes [2]. Adding Go and Rust builders should be similarly easy.
Regard, Krisztian [1]: https://github.com/ursa-labs/ursabot/commit/476a8b07fd81f6d7664dc5e115e079d014e54436 [2]: https://ci.ursalabs.org/#/builders/89/builds/2
