warning: ignoring untrusted flake configuration setting 'extra-substituters'.
Pass '--accept-flake-config' to trust it
warning: ignoring untrusted flake configuration setting 'extra-trusted-public-keys'.
Pass '--accept-flake-config' to trust it
evaluation warning:  nixfmt-rfc-style is now the default for the 'nixfmt' formatter.
                    'nixfmt-rfc-style' is deprecated and will be removed in the future.
these 2 paths will be fetched (0.00 MiB download, 0.01 MiB unpacked):
  /nix/store/gz47vy24mvbhxlm4vsfq0sqlyrx1fr2d-generate-voyager-nixos-options
  /nix/store/8kv7fmn49nbghyway23z4wazvmfq9h03-voyager-nixosModuleOptions.nix