capture stdout and stderr to keep output together, throw failure on stderr
capture stdout and stderr to keep output together, throw failure on stderr
Merge branch 'eleith-catch-stderr-and-keep-output-together' of github.com:coursera/triple-latte into eleith-catch-stderr-and-keep-output-together
Merge pull request #7 from coursera/eleith-catch-stderr-and-keep-output-together

capture stdout and stderr to keep output together, throw failure on stderr