these 3 derivations will be built:
  /nix/store/lk3slv5nar2mykssv0zwfhw3v277sqkq-letta-code-src-with-lock.drv
  /nix/store/cbalpa590dqmznhlxfcqzwyc15d2sri3-letta-code-0.34.1.drv
  /nix/store/cgmaniws29bhdzsp1sjpi304gkw42r45-check-letta-code.drv