these 3 derivations will be built:
  /nix/store/ascm8vp7l1hl0azmlpcb88nxljqrvvvy-letta-code-src-with-lock.drv
  /nix/store/4njgnbblvq4h7wqg3w3lgfn1qp9rkqdy-letta-code-0.34.5.drv
  /nix/store/yf5j34xf3xnmx1rizr39bhck2nw7dwwl-check-letta-code.drv