First result:
1$ dd if=/dev/zero | ./gnunet-hs/dist-newstyle/build/x86_64-linux/ghc-8.6.5/gnunet-hs-0.0.0.1/x/cadetcat/build/cadetcat/cadetcat -- +RTS -V0 2> /dev/null
^C1361035+0 records in
1361034+0 records out
696849408 bytes (697 MB, 665 MiB) copied, 7.0412 s, 99.0 MB/s
2$ gnunet-cadet -c gnunet2.conf -o q > /dev/null