these 4 derivations will be built:
  /nix/store/b4jx40qn2wyl3vnlpi3y1mkp1zi9cczi-source.drv
  /nix/store/bjv89yarm41da0iqxavcmpqqgx0niq1h-claude-agent-acp-0.85.0-npm-deps.drv
  /nix/store/cbxlpardqlj163an109p6b982r1jf6la-claude-agent-acp-0.85.0.drv
  /nix/store/q4hlgvb88has87zy2h3fa2w2r3837533-check-claude-agent-acp.drv