these 3 derivations will be built:
  /nix/store/x5cj8gp98ja3ri1kmisgikc7kaq9x6z8-letta-code-src-with-lock.drv
  /nix/store/yykh6jqh03gdk932c17xadx9351bmklp-letta-code-0.34.18.drv
  /nix/store/hjrpax0mh8kfr4j4g2rwkjkgi87islfx-check-letta-code.drv