this derivation will be built:
  /nix/store/g40smlk6f9ay85vs1c7nv2kkmr97c98x-aven-0.1.21.drv
this path will be fetched (7.8 KiB download, 29.8 KiB unpacked):
  /nix/store/82jr976666scpdcp1i82awcaa7y4y5g0-libredirect-0