Partial build log
this derivation will be built:
/nix/store/mfql7xba9l9s4xcm9l371rjnm9m9jxa4-source.drv
building '/nix/store/mfql7xba9l9s4xcm9l371rjnm9m9jxa4-source.drv'...
source> trying http://downloads.openmicroscopy.org/bio-formats/6.3.0/artifacts/bftools.zip
source> % Total % Received % Xferd Average Speed Time Time Time Current
source> Dload Upload Total Spent Left Speed
source> 0 378 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
source> 100 33.6M 100 33.6M 0 0 6366k 0 0:00:05 0:00:05 --:--:-- 7266k
source> unpacking source archive /build/bftools.zip