these 9 derivations will be built:
  /nix/store/9x6vm0fibm2vvdwz7w6am2pijhskdlg5-etc.drv
  /nix/store/wicd8scqcy97bdqipmb4r2aqd3l2vmkk-activate.drv
  /nix/store/2dpvxw3vwgh8vm768adpjrq7wxjq6gkh-nixos-system-server-test.drv
  /nix/store/64pg1w1iwsqqvyj0k3wgv3pz82aj3d4g-nixos-system-server-test.drv
  /nix/store/17gllnac796zyvaxrgzx865xjkq6y3df-closure-info.drv
  /nix/store/ci9nskg2bky3yw7g7cssypmxsm637irj-run-nixos-vm.drv
  /nix/store/53n614diiqma4iv3vrlgywiisf29f0pi-nixos-vm.drv
  /nix/store/a3g9q5pn0hf426f2v8a53cczqw9racfg-nixos-test-driver-pgrouting.drv
  /nix/store/lyrm77bz4ynfjlpckkim9x5d9rrj1ixy-vm-test-run-pgrouting.drv