these 3 derivations will be built:
  /nix/store/l3998xrsd2hp4xhfq8r4iiadr3wiq2b3-letta-code-src-with-lock.drv
  /nix/store/yhphcc7l7ym5nykl2h0vw2g65v53k6nr-letta-code-0.34.5.drv
  /nix/store/srqv7glwqrcmmkq5z4kb0l098vl9iw8x-check-letta-code.drv