running 4 tests test it_fails ... about to fail FAILED test it_panics - should panic ... about to panic ok test it_works ... about to succeed ok test it_writes_to_stdio ... hello, world testing123 ok failures: ---- it_fails stdout ---- ---- it_fails stderr ---- failures: it_fails test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in $TIME