this derivation will be built: /nix/store/f5vk1f1ycjv38bdg6gdb1sf2jn8n4v1x-check-claude-agent-acp.drv this path will be fetched (0.0 KiB download, 361.5 MiB unpacked): /nix/store/427b9jgv6fyfdhk13yys3fm1src6wq1a-claude-agent-acp-0.103.0