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: 
1 out of 1 hunk FAILED -- saving rejects to file runtime/src/CMakeLists.txt.rej
This specific error indicates a failure during the patching process of the CMakeLists.txt file within the runtime/src directory.