these 10 derivations will be built:
  /nix/store/5cnxy30fpgfw75wbz8s6lb522rh3f6nx-unit-postgresql.service.drv
  /nix/store/3aknqnyys1758n10j5i9pq2dyf60xjm8-system-units.drv
  /nix/store/7l7jbqn5l2hy1p8kwam1bcmcz6ybjk0h-etc.drv
  /nix/store/16zb44bqww6w9fzxvfv083qykpbbv1wg-nixos-system-server-test.drv
  /nix/store/jxlfingvsav54r2gd327ahra1lj8qbhr-nixos-system-server-test.drv
  /nix/store/9w53sdl05nfzykvzy4y0yh9m1nlkp8b1-closure-info.drv
  /nix/store/5lvbr6h5gjkknwx5qkgjg7skvr5kzl2k-run-nixos-vm.drv
  /nix/store/8grya0aqc1sap63cw5vml7mp8qvzadl7-nixos-vm.drv
  /nix/store/j4q2z9d2w0lgqwgmf7yy88jv7drdkhdx-nixos-test-driver-http.drv
  /nix/store/pbik5k40azkdb0bcrlx035h23f0nbhh7-vm-test-run-http.drv
these 4 paths will be fetched (13.9 KiB download, 136.1 KiB unpacked):
  /nix/store/bwpz1m549bm30d6p47r3rf2s2gav4dwn-activate
  /nix/store/fjabgzi5h4ysvl19zcr7dni3nvl740ap-etc
  /nix/store/p5fcd8cj3c80c2ag8gln2icsi401zc37-system-units
  /nix/store/12gjjcyn53yvcnrrp5vhwr4iqca8q7bl-unit-postgresql.service