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: 
Errors during downloading metadata for repository 'codeready-builder':
  - Status code: 403 for https://cdn.redhat.com/content/dist/rhel9/9/x86_64/codeready-builder/os/repodata/aef1905e-11d3-4830-b6a6-5791aeadff2e (IP: 23.1.8.251)
  - Status code: 403 for https://cdn.redhat.com/content/dist/rhel9/9/x86_64/codeready-builder/os/repodata/bf8e974a00fc5eebc8644ccc7f0dc4f3780d661576f0e315ae7d818b4c390599-comps.xml (IP: 23.1.8.251)
  - Status code: 403 for https://cdn.redhat.com/content/dist/rhel9/9/x86_64/codeready-builder/os/repodata/990909ebf3638efa84b4a0629871ef2dd8fed203349f2dc383048cfb903c51a4-updateinfo.xml.gz (IP: 23.1.8.251)
Error: Failed to download metadata for repo 'codeready-builder': Yum repo downloading error: Downloading error(s): repodata/bf8e974a00fc5eebc8644ccc7f0dc4f3780d661576f0e315ae7d818b4c390599-comps.xml - Cannot download, all mirrors were already tried without success; repodata/aef1905e-11d3-4830-b6a6-5791aeadff2e - Cannot download, all mirrors were already tried without success; repodata/990909ebf3638efa84b4a0629871ef2dd8fed203349f2dc383048cfb903c51a4-updateinfo.xml.gz - Cannot download, all mirrors were already tried without success
error during environment setup