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:

  [The following tests FAILED:
	 24 - ansi-c-gcc-CORE (Failed)                          CBMC CORE
	 27 - goto-instrument-CORE (Failed)                     CBMC CORE
	157 - contracts-CORE (Failed)                           CBMC CORE
	161 - contracts-dfcc-CORE (Failed)                      CBMC CORE
	165 - contracts-non-dfcc-CORE (Failed)                  CBMC CORE
	166 - goto-synthesizer-CORE (Failed)                    CBMC CORE
	178 - goto-harness-CORE (Failed)                        CBMC CORE
	182 - goto-harness-multi-file-project-CORE (Failed)     CBMC CORE
RPM build errors:
Errors while running CTest]: [List of failed CTest test cases.]

Issue: A couple of test cases failed.
Resolution: Analyze the test logs and/or contact the upstream for help with fixing these test failures.