Don't try to cache Docker image any more - we are only caching Ubuntu which is small and Travis is still occasionally running out of space.
Don't try to cache Docker image any more - we are only caching Ubuntu which is small and Travis is still occasionally running out of space.

trungdtbk/faucet,byllyfish/faucet,wackerly/faucet,gizmoguy/faucet,shivarammysore/faucet,faucetsdn/faucet,gizmoguy/faucet,byllyfish/faucet,faucetsdn/faucet,REANNZ/faucet,mwutzke/faucet,anarkiwi/faucet,mwutzke/faucet,trentindav/faucet,shivarammysore/faucet,trentindav/faucet,trungdtbk/faucet,wackerly/faucet,REANNZ/faucet,anarkiwi/faucet