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:

  [error: Installed (but unpackaged) file(s) found:
   /usr/sbin/conmux-registry
   /usr/sbin/conmuxd
    File listed twice: /usr/bin/conmux-attach
    Installed (but unpackaged) file(s) found:
   /usr/sbin/conmux-registry
   /usr/sbin/conmuxd]: [Extra files are present in build root.]

Issue: There are files that are present in build root but not listed in %files section.
Resolution: Verify that files are expect to be in rpm and add them to %files section.