these 2 derivations will be built:
  /nix/store/5m6m3jfmw1ifpd5z1da2hi0b7mlqxx8z-claude-agent-acp-0.89.0.drv
  /nix/store/1xjsg54y06fwnczh355i2xsi6p36k8cz-check-claude-agent-acp.drv