these 3 derivations will be built:
  /nix/store/x424jix0ywqs20y8a9rzbdnnmjl8cm0m-nixos-system-server-test.drv
  /nix/store/4zvc0jv9gzqz5cxjcik8rn0jhzpbqhjg-nixos-test-driver-pgrouting.drv
  /nix/store/vjgylkfcb65ns1c3mqdvnr59vp80sc5i-vm-test-run-pgrouting.drv
these 4 paths will be fetched (87.5 KiB download, 487.3 KiB unpacked):
  /nix/store/4r2ch0zyarb0i4by4xb97k3a6qdivkmz-closure-info
  /nix/store/12n42l7wmny8dy9ip2zy8lmhwibxi5a8-nixos-system-server-test
  /nix/store/l14qf5cpjnhpll63crah82jzbi4abgmx-nixos-vm
  /nix/store/s21hh73hhz2iyia057k8333hq013mnw8-run-nixos-vm