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: 
  - nothing provides clang = 13.0.0 needed by clang-rpm-macros-1-136.el115.noarch from https_download_copr_fedorainfracloud_org_results_fedora_llvm_team_clang_rpm_macros_fedora_releasever_basearch
This line highlights the reason why has the build failed. Build dependencies cannot be satisfied.