Every developer knows this moment. You push a commit. CI runs. It fails. You open the log and stare at 400 lines of output trying to find the one line that actually matters. Ten minutes later you're still scrolling. Why CI logs are so hard to read CI runners don't write logs for humans. They write them for machines. Everything gets dumped — timestamps, progress bars, ANSI escape codes, dependency install output, test runner boilerplate — and somewhere buried in all of it is the actual error. The problem isn't that CI is broken. The problem is that the signal is buried under noise. The most common reasons CI fails 1. A test is failing Someone changed code that broke an existing test, or a mock is returning the wrong value. The error is in there — you just have to find it. 2. A dependency version conflict Your CI runner is on a different version of Node, Python, or another runtime than your local machine. Works on your laptop, fails in CI. 3.…