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: 
error: Directory not found: /builddir/build/BUILD/z3-4.14.1-build/BUILDROOT/app/lib/python3.13/site-packages/z3
    absolute symlink: /app/lib64/z3/com.microsoft.z3.jar -> /app/lib/java/com.microsoft.z3.jar
    Directory not found: /builddir/build/BUILD/z3-4.14.1-build/BUILDROOT/app/lib/python3.13/site-packages/z3
Child return code was: 1
Reason of failure.