these 3 derivations will be built:
  /nix/store/bk3p097vri6q15k9ny63l68vc8gsbrqd-tinc-sptps-test-c-1.1pre18.drv
  /nix/store/ibfbh8im44z6vnv94fz8iwpiy1py9vn4-tinc-tincd-c-1.1pre18.drv
  /nix/store/p4grs3qsbnyi9w5rwpg25hdq7zzcm3nc-tincd-test-0.1.0.drv
these 2 paths will be fetched (102.8 KiB download, 243.3 KiB unpacked):
  /nix/store/dnvrv9yvrcfij5x1fi0gryk7v61kcriz-iperf-3.21-dev
  /nix/store/pk1n2mnzsrhnhji199c1ssc0iymcm1ip-miniupnpd-2.3.10