Travis wants a language key.
With regards to rubinius/rubinius#2006
Add language for Travis
Where is that Travis server running? Doesn't seem to work on https://travis-ci.org/macournoyer/thin.
You may have to manually activate it for this repo.
From the Travis docs:
On your service hooks page enter macournoyer and the Token from your Travis profile. Once this is saved, you can manually trigger the hook to test it out.
trigger the hook
If it doesn't run, it's probably a bug with Travis.
You can also turn it on with the switch on your Travis repos page