these 2 derivations will be built:
  /nix/store/548gah889nkpvl2bvn4z80s897hlrrxh-aven-0.1.21-vendor.drv
  /nix/store/454k0fsilrs2356bxbgjvlhnjbhvi6yf-aven-0.1.21.drv
this path will be fetched (8.2 KiB download, 70.8 KiB unpacked):
  /nix/store/wln3hxc7bq5la37wbr9ngwv0cx4hq3hr-libredirect-0