these 7 derivations will be built:
  /nix/store/h8jbr3a20yx7bhsc6z1iy59rc5m3zqx4-nixos-system-server-test.drv
  /nix/store/9pqd2jsg99hvqimrlsr2xlsbg4p0ljqm-nixos-system-server-test.drv
  /nix/store/mq3anmp35c2j2nfpllrm7ald7d7p1bzn-closure-info.drv
  /nix/store/1v2w3zhqm2973dy5qxhks1nrh8xc13zg-run-nixos-vm.drv
  /nix/store/nv1n8lzl9bwm6nqzv8ipl48m3s2jnyrw-nixos-vm.drv
  /nix/store/b1hzkclill5i1xcdd8g0z6698f1m9kk1-nixos-test-driver-pgjwt.drv
  /nix/store/b0sz497mqm94g3rf5h50cgl73i0ir2zy-vm-test-run-pgjwt.drv