these 9 derivations will be built:
  /nix/store/gjgy2nyyfahc3wn7zqnpqvpscpqsrqpr-system-units.drv
  /nix/store/z6ldfhhd9jg8cr0vl719h0kahnlxz8jr-etc.drv
  /nix/store/dkk6s57hgadzjx87jgc53hf5m14ij6a9-activate.drv
  /nix/store/nbs0z6wyfp6bz93c85fkdvyhrsvzk25s-nixos-system-server-test.drv
  /nix/store/4xnazmzx5cnhlddp2wx01i4qcrybnybg-closure-info.drv
  /nix/store/dhqa0sq0k77rg049k96wc9x07qn5gzyf-run-nixos-vm.drv
  /nix/store/lipc521imi5g45053w97k21is0ay8hl7-nixos-vm.drv
  /nix/store/6ybcc3ls5aw1ghw67vflw086gqkbng5k-nixos-test-driver-plv8.drv
  /nix/store/gc5c88iz79nnzfsi5zw6i8dydxfsrmja-vm-test-run-plv8.drv