these 10 derivations will be built:
  /nix/store/f498gi0sfy4w5nbsapnfafalicihfm5w-system-units.drv
  /nix/store/q7d28ja75xmcj3qlnkhdriibfj0nsygn-etc.drv
  /nix/store/kslslczvm3xvyiavf2rm8gknx1fbrxwj-activate.drv
  /nix/store/7wb7zk2pa39y5cgrjbv4410x5s7z4mcj-nixos-system-machine-test.drv
  /nix/store/xnldndwg4yww6r0fshpxxskyfgmgaxdw-closure-info.drv
  /nix/store/g1rfp29c1i9r42n93xqx2bawqa17q7a4-run-nixos-vm.drv
  /nix/store/3fi4lbf6bwl8zqhdrivk7fk3f07j8763-nixos-vm.drv
  /nix/store/jg1xrwvw7pczvqn57z29pjdwgj3va27v-driverConfiguration.json.drv
  /nix/store/ihspdaarghmsjzjhbrgbi0hidaxcm4rw-nixos-test-driver-systemd-userdbd.drv
  /nix/store/0z05hpjna1mcwlna1b2cjjvgb993f7kh-vm-test-run-systemd-userdbd.drv