these 10 derivations will be built:
  /nix/store/ykfki6f3acdc7kxksiypnzkqklmx0qs0-system-units.drv
  /nix/store/d45zd481a3a9nm50c9f9p43qkxnmc5wn-etc.drv
  /nix/store/9jdd5a4dwh38wzb5n5hsdqnx59gm95wr-activate.drv
  /nix/store/lmaz17m8ajpkm2ai314d1nw0kqgkrsim-nixos-system-server-test.drv
  /nix/store/kp14mh6by83h0s5acriilhsh9qfrddpc-closure-info.drv
  /nix/store/x6vhn6bwadzjzsg7sbbdykk8ijjlwr4j-run-nixos-vm.drv
  /nix/store/w25vidyi6d9c3gcrxramnyadc8z6s2aq-nixos-vm.drv
  /nix/store/52y889f0jxlywqzjaw7kqibbffbmjb74-driverConfiguration.json.drv
  /nix/store/4qj6mcimxnq6vjv3nm4yp9k11cx2azx3-nixos-test-driver-nixos-test-read-proxy.drv
  /nix/store/zqsk9b68jrp7r8jv3q710g81wvwn6sbn-vm-test-run-nixos-test-read-proxy.drv