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: Option --new-chroot has been deprecated. Use --isolation=nspawn instead.
INFO: mock.py version 6.1 starting (python version = 3.13.2, NVR = mock-6.1-1.fc41), args: /usr/libexec/mock/mock -r koji/f40-build-59048254-6570588 --new-chroot --no-clean --target noarch --rebuild /var/tmp/koji/tasks/2538/131902538/local/work/tasks/2458/131902458/python-beautifulsoup4-4.13.4-1.fc40.src.rpm
The --new-chroot has been deprecated, in the next line we can see koji/f40-build-59048254-6570588 has been started with the same flag.

The same fails below, stating "ERROR: Exception(/var/tmp/koji/tasks/2538/131902538/local/work/tasks/2458/131902458/python-beautifulsoup4-4.13.4-1.fc40.src.rpm) Config(f40-build-59048254-6570588) 0 minutes 30 seconds"