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: 
Checking for unpackaged file(s): /usr/lib/rpm/check-files /builddir/build/BUILDROOT/llvm-20.0.0~pre20241209.g1dfa34c8e1f289-3.fc40.aarch64
error: Installed (but unpackaged) file(s) found:
   /usr/bin/mlir-rewrite
   /usr/lib/debug/usr/bin/mlir-rewrite-20.0.0~pre20241209.g1dfa34c8e1f289-3.fc40.aarch64.debug

Files /usr/bin/mlir-rewrite and /usr/lib/debug/usr/bin/mlir-rewrite-20.0.0~pre20241209.g1dfa34c8e1f289-3.fc40.aarch64.debug are not included in the final package.
