these 3 derivations will be built:
  /nix/store/gqp1982i9qhm1gz0knv2scd5dcpvc4yg-letta-code-src-with-lock.drv
  /nix/store/6yafiwj1lpx8iwmbfny6nmrq0h05dnma-letta-code-0.34.18.drv
  /nix/store/m67zx4vb57m6by60hkkicv4grlyfx9wl-check-letta-code.drv