Partial build log
this derivation will be built:
/nix/store/gcw87zp63sngnwb0mjlsl0rw9xwk27z4-gnujump-1.0.8.tar.gz.drv
building '/nix/store/cj8i77c6fbd7nr3f32445912pshs8j22-gnujump-1.0.8.tar.gz.drv'...
gnujump> trying https://ftpmirror.gnu.org/gnujump/gnujump-1.0.8.tar.gz
gnujump> % Total % Received % Xferd Average Speed Time Time Time Current
gnujump> Dload Upload Total Spent Left Speed
gnujump> 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
gnujump> 100 2449k 100 2449k 0 0 1643k 0 0:00:01 0:00:01 --:--:-- 3152k