Starting download of /gnu/store/6mwby5iqkadays0jf62gmd3lvvnli1d8-gsl-2.7.tar.gz From https://ftpmirror.gnu.org/gnu/gsl/gsl-2.7.tar.gz... following redirection to `https://mirror.kumi.systems/gnu/gsl/gsl-2.7.tar.gz'...  gsl-2.7.tar.gz 7.2MiB 0B/s 00:00 [ ] 0.0%  gsl-2.7.tar.gz 7.2MiB 1006KiB/s 00:00 [ ] 0.9%  gsl-2.7.tar.gz 7.2MiB 3.1MiB/s 00:00 [## ] 12.2%  gsl-2.7.tar.gz 7.2MiB 15.5MiB/s 00:00 [##################] 100.0%