The most dominate CI system is Jenkins (was Hudson).
Jenkins has a nice integration with xunit XML output for tests. I wrote a little utility that converts go test -v output to xunit compatible XML called go2xunit. (install with the usual go get bitbucket.org/tebeka/go2xunit).
The view on Jenkins (tests are failing intentionally) is like the below.
When you click on the tests you get
There's a demo directory with an example bash script. The project configuration looks something like the below. Note the "Execute Shell" command and "Publish JUnit tests report" sections.