these 3 derivations will be built:
  /nix/store/jcps62bp8hfa63p765g383vgmdzcd9xg-letta-code-src-with-lock.drv
  /nix/store/dbrf3s6vwlazzg4y3dahsh1njphvs7di-letta-code-0.34.5.drv
  /nix/store/lzhdadycn2cy8a4zafpkq4kvvbqx8h4r-check-letta-code.drv