warning: the group 'nixbld' specified in 'build-users-group' does not exist
warning: unable to download 'https://cache.nixos.org/ihz9qxg66s0wpx9dlq9p4s54xi8bnq9y.narinfo': SSL peer certificate or SSH remote key was not OK (60); retrying in 305 ms
warning: unable to download 'https://cache.nixos.org/ihz9qxg66s0wpx9dlq9p4s54xi8bnq9y.narinfo': SSL peer certificate or SSH remote key was not OK (60); retrying in 608 ms
warning: unable to download 'https://cache.nixos.org/ihz9qxg66s0wpx9dlq9p4s54xi8bnq9y.narinfo': SSL peer certificate or SSH remote key was not OK (60); retrying in 1029 ms
warning: unable to download 'https://cache.nixos.org/ihz9qxg66s0wpx9dlq9p4s54xi8bnq9y.narinfo': SSL peer certificate or SSH remote key was not OK (60); retrying in 2576 ms
error: unable to download 'https://cache.nixos.org/ihz9qxg66s0wpx9dlq9p4s54xi8bnq9y.narinfo': SSL peer certificate or SSH remote key was not OK (60)