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: 
'cvs.log' is not empty, it contains:
++ cat cvs.log
Possible precedence problem between ! and pattern match (m//) at /builddir/build/BUILD/git-2.49.0-build/git-2.49.0/git-cvsserver line 5015.
This code shows why the test has failed