these 3 derivations will be built:
  /nix/store/zhkf1rlkllr35hcj4l9qs96hz0xsvisk-letta-code-src-with-lock.drv
  /nix/store/jxihr4zhjykvqgxc4rpxi1cv7van8xrh-letta-code-0.34.61.drv
  /nix/store/argrk5pz99ka0p14jwyi12ky2glkz6q2-check-letta-code.drv