1. 0curl: (7) Failed to connect to cache.nixos.org port 443: Connection timed out
  2. /nix/store/nsk0186j7fvn0j7sik1zn07nklp3ag0g-xz-5.2.2-bin/bin/xz: (stdin): File format not recognized
  3. error: unexpected end-of-file
  4. download of ‘https://cache.nixos.org/nar/007pq1vz1msn8a8hgi9b7sq2qx1h45i45016s60bi6g8j7iazirp.nar.xz’ failed: No such file or directory
  5. could not download ‘/nix/store/1vhgkmby6lkm6qz3kv6pmzylv1599z7y-Gnome_Dark.png’ from any binary cache
  6. fetching path ‘/nix/store/1vhgkmby6lkm6qz3kv6pmzylv1599z7y-Gnome_Dark.png’ failed with exit code 1
  7. fetching path ‘/nix/store/x9nvhkkzkgvd3c45aj4zclqccds2s456-acl-2.2.52-bin’...
  8. cannot build derivation ‘/nix/store/chbln0bd5zdbgw99pp1kfv4q1q75mjx8-grub-config.xml.drv’: 1 dependencies couldn't be built
  9. cannot build derivation ‘/nix/store/b3mq7rm0xwk5daisnckv31w3hf8pjpg6-install-grub.sh.drv’: 1 dependencies couldn't be built
  10. killing process 5426
  11. cannot build derivation ‘/nix/store/m97dlwdnmlnrvp5jsjm6pqhlmjq6abzp-nixos-system-slvt-17.09pre104410.65593e6.drv’: 1 dependencies couldn't be built
  12. error: build of ‘/nix/store/m97dlwdnmlnrvp5jsjm6pqhlmjq6abzp-nixos-system-slvt-17.09pre104410.65593e6.drv’ failed