Starting download of /gnu/store/zicnrwqhkmvcm6frrgc9x52w62bznrar-xz From https://git.savannah.gnu.org/cgit/guix.git/plain/gnu/packages/bootstrap/powerpc64le-linux/20210106/xz... download failed "https://git.savannah.gnu.org/cgit/guix.git/plain/gnu/packages/bootstrap/powerpc64le-linux/20210106/xz" 404 "Not found" Starting download of /gnu/store/zicnrwqhkmvcm6frrgc9x52w62bznrar-xz From https://alpha.gnu.org/gnu/guix/bootstrap/powerpc64le-linux/20210106/xz...  xz 1.0MiB 0B/s 00:00 [ ] 0.0%  xz 1.0MiB 406KiB/s 00:00 [# ] 6.2%  xz 1.0MiB 1.1MiB/s 00:00 [####### ] 43.3%  xz 1.0MiB 1.9MiB/s 00:01 [##################] 100.0%