these 8 derivations will be built:
  /nix/store/8w6p743k9m8029r372jjmyay8z10480j-etc.drv
  /nix/store/z5d5nw6anqsmlrwvdy8721kkp3wgf7i8-activate.drv
  /nix/store/r0ivv1nm95fqwyi5virfnp5kk2av54w1-nixos-system-server-test.drv
  /nix/store/41svka7yll7nmxnscld3qb35fn6qhim1-closure-info.drv
  /nix/store/4xklj74fgxf7971xrkyx7x3diihj0q2v-run-nixos-vm.drv
  /nix/store/1l971y938ix64ycksa451dq27y91xq0y-nixos-vm.drv
  /nix/store/sk4zmq2dsh5f7ncq43k2qx8r2lapcwsj-nixos-test-driver-wrappers-regression-PSQL-1387.drv
  /nix/store/f0gfkbckbczmvli0b72m8dpagz4iqwi5-vm-test-run-wrappers-regression-PSQL-1387.drv