these 3 derivations will be built:
  /nix/store/60ymmd8m4vkx6iwcrqy941lghrfpjbh3-aven-0.1.56-vendor.drv
  /nix/store/iw0ygc9n2n1xlyhwnn8ysyyb5abzwvr9-aven-0.1.56.drv
  /nix/store/vw32j3hcqgg1y50ypmmxqrk27kncayss-check-aven.drv