Given following log snippets, their explanation, and nothing else, explain what failure, if any, occurred during build of this package.

  Snippets are in a format of [X] : [Y], where [X] is a log snippet, and [Y] is the explanation.

  Snippets are delimited with '================'.

  Drawing on information from all snippets, provide a concise explanation of the issue and recommend a solution.

  Explanation of the issue, and recommended solution, should take a handful of sentences.

  Snippets:

  [fatal: Remote branch debug-travis not found in upstream origin]: [Git could not clone the branch "debug-travis" from the repository "crocs-muni/usable-cert-validation".]

Issue: The git branch needed for build was not found in the repository.
Resolution: Make sure the branch "debug-travis" exists in the "crocs-muni/usable-cert-validation" repository and is accessible for the Travis build server.