Starting download of /gnu/store/xgy3ymlpc36x0kz8zsgkba19m92m24mc-gcc-5.4.0.tar.xz From https://ftp.gnu.org/gnu/guix/bootstrap/aarch64-linux/20170217/gcc-5.4.0.tar.xz... download failed "https://ftp.gnu.org/gnu/guix/bootstrap/aarch64-linux/20170217/gcc-5.4.0.tar.xz" 404 "Not Found" Starting download of /gnu/store/xgy3ymlpc36x0kz8zsgkba19m92m24mc-gcc-5.4.0.tar.xz From https://alpha.gnu.org/gnu/guix/bootstrap/aarch64-linux/20170217/gcc-5.4.0.tar.xz...  gcc-5.4.0.tar.xz 11.7MiB 0B/s 00:00 [ ] 0.0%  gcc-5.4.0.tar.xz 11.7MiB 391KiB/s 00:00 [ ] 0.5%  gcc-5.4.0.tar.xz 11.7MiB 875KiB/s 00:00 [ ] 2.7%  gcc-5.4.0.tar.xz 11.7MiB 1.2MiB/s 00:01 [# ] 6.9%  gcc-5.4.0.tar.xz 11.7MiB 2.0MiB/s 00:01 [## ] 15.5%  gcc-5.4.0.tar.xz 11.7MiB 2.1MiB/s 00:01 [### ] 20.3%  gcc-5.4.0.tar.xz 11.7MiB 2.2MiB/s 00:01 [#### ] 25.1%  gcc-5.4.0.tar.xz 11.7MiB 2.3MiB/s 00:02 [##### ] 29.9%  gcc-5.4.0.tar.xz 11.7MiB 2.3MiB/s 00:02 [###### ] 34.7%  gcc-5.4.0.tar.xz 11.7MiB 2.4MiB/s 00:02 [####### ] 39.5%  gcc-5.4.0.tar.xz 11.7MiB 2.4MiB/s 00:02 [######## ] 44.8%  gcc-5.4.0.tar.xz 11.7MiB 2.5MiB/s 00:02 [######### ] 50.1%  gcc-5.4.0.tar.xz 11.7MiB 2.5MiB/s 00:03 [######### ] 55.5%  gcc-5.4.0.tar.xz 11.7MiB 2.5MiB/s 00:03 [########## ] 60.8%  gcc-5.4.0.tar.xz 11.7MiB 2.4MiB/s 00:03 [########### ] 62.4%  gcc-5.4.0.tar.xz 11.7MiB 2.5MiB/s 00:03 [############ ] 69.9%  gcc-5.4.0.tar.xz 11.7MiB 2.6MiB/s 00:03 [############# ] 76.3%  gcc-5.4.0.tar.xz 11.7MiB 2.7MiB/s 00:04 [############## ] 82.7%  gcc-5.4.0.tar.xz 11.7MiB 2.7MiB/s 00:04 [################ ] 89.1%  gcc-5.4.0.tar.xz 11.7MiB 2.8MiB/s 00:04 [################# ] 95.5%  gcc-5.4.0.tar.xz 11.7MiB 2.8MiB/s 00:04 [##################] 100.0%