these 4 derivations will be built:
  /nix/store/plcx1647g2a16xpj5hmv624al09b2p3m-tinc-sptps-test-c-1.1pre18.drv
  /nix/store/q9srm57j4kdx6qr87xynpj0gq6dzhxjs-tincd-deps-0.1.0.drv
  /nix/store/wkyrf1axdlj7yg8qxqx7qhslsjv71j20-tinc-tincd-c-1.1pre18.drv
  /nix/store/n9fslcfwdw4qb88lx3r71is2dn3gmqv8-tincd-test-0.1.0.drv
these 4 paths will be fetched (214.5 KiB download, 514.5 KiB unpacked):
  /nix/store/c4n973nii5yhqfrpj6g51zlpkqbymdq4-iperf-3.21
  /nix/store/x5cygva383p3x5cwwdbjf9f3wgryb6v7-iperf-3.21-dev
  /nix/store/9ri5kaxx1v92ggk18k2gf08yi3mlk81l-iperf-3.21-lib
  /nix/store/5p3vmg1fd8xhffdlnbl3vrrj0s8w12vl-miniupnpd-2.3.10