these 3 derivations will be built:
  /nix/store/376110z2b4iql668b3pbqyxfi7n8i0hj-aven-0.1.47-vendor.drv
  /nix/store/2bwbdkgsyrp1wp5rvk8ks36j6bkj6fvl-aven-0.1.47.drv
  /nix/store/m32ap8fx1ggrz0qbhbgpvym8ywr64fpx-check-aven.drv