these 2 derivations will be built:
  /nix/store/hamcswnp9nlisic7q1vjgvlsk0n34bq6-tribuchet-deps-0.1.0.drv
  /nix/store/l7f8b8w3z059p7c86czp1dmkninswdni-tribuchet-0.1.0.drv