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: 
No matching package to install: 'poetry'
No matching package to install: 'python3-flask-admin'
No matching package to install: 'python3-flask-oidc >= 2.0.0'
No matching package to install: 'python3-flask-xml-rpc'
No matching package to install: 'python3-mrtparse'
No matching package to install: 'python3-sqlalchemy-helpers'
The list of missing packages