these 3 derivations will be built:
  /nix/store/ijgpb993lq7g9bdjvhrrf46fmjh810l5-letta-code-src-with-lock.drv
  /nix/store/h4q73qxlxr508f54kbjbin682chyaz1i-letta-code-0.34.5.drv
  /nix/store/f9dv9gwgs0mpr8yb0i286qcvzmq6dypc-check-letta-code.drv