these 2 derivations will be built:
  /nix/store/mjmxqs1as0iwlr87a98kxgzxfgk24r57-tribuchet-deps-0.1.0.drv
  /nix/store/g7i9p8h683zi14mb08acl2rgsm6sh37c-tribuchet-0.1.0.drv