Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
  Unexpected format for the download URL of project libfmt :
  (file:////builddir/build/BUILD/mariadb11.8-11.8.1-build/mariadb-11.8.1/redhat-linux-build/extra/libfmt/fmt-11.0.2.zip)

Reason for the CMake error