title: How to print to console in Travis CI
body: <p>I'm trying to print some information using <code>echo</code> in my <code>.travis.yml</code> file, but I don't see anything in the log.</p>
  
  <p><strong>My <code>.travis.yml</code> file:</strong></p>
  
  <pre><code>before_install:
    - echo $TRAVIS_COMMIT
    - echo $TRAVIS_TAG
    - echo $TRAVIS_BRANCH
    - echo $TRAVIS_BUILD_NUMBER
    - echo $TRAVIS_REPO_SLUG
  </code></pre>
  
  <p><strong>My output:</strong></p>
  
  <p><a href="https://i.stack.imgur.com/rFah1.png" rel="noreferrer"><img src="https://i.stack.imgur.com/rFah1.png" alt="enter image description here"></a></p>