this derivation will be built: /nix/store/904famnkmanf53wj02s8bwd3zfaz5x0g-check-claude-agent-acp.drv this path will be fetched (0.0 KiB download, 303.6 MiB unpacked): /nix/store/jzq385r54gmi5vkd4nyc5rm71ic1588h-claude-agent-acp-0.94.0