[root@nixos:~]# nixos-install
building the configuration in /mnt/etc/nixos/configuration.nix...
[11.2/11.4 MiB DL] downloading 'https://nixos.org/channels/nixos-18.09/nixexprs.tar.xz'nix: src/libexpr/primops.cc:56: void nix::EvalState::realiseContext(const PathSet&): Assertion `store->isStorePath(ctx)' failed.
/run/current-system/sw/bin/nixos-install: line 99:  3397 Aborted                 nix build --out-link "$outLink" --store "$mountPoint" "${extraBuildFlags[@]}" --extra-substituters "$sub" -f '<nixpkgs/nixos>' system -I "nixos-config=$NIXOS_CONFIG"

[root@nixos:~]# nix-store --verify
reading the Nix store...
checking path existence...

[root@nixos:~]#