these 11 derivations will be built:
  /nix/store/b09fbs7736p2x0s4zcg13nw1bk03x59i-postgresql-init.drv
  /nix/store/q7lvqwq8cf3y7qhan8rxr3c519nq1ghh-unit-postgresql.service.drv
  /nix/store/giynynysvmvqxvyiwy2ssk6smvrhh69d-system-units.drv
  /nix/store/x6dx8z8vwlhny02plf4bf7hhbxh8cq5d-etc.drv
  /nix/store/rqid4mrrwrh4pxfvw7q8wqzrq7wx9z8r-activate.drv
  /nix/store/1nkry5cx8d9p5zpqa727gifdi7wfs7gx-nixos-system-server-test.drv
  /nix/store/gr6zjc9r6x5qjnnffvmvq15ixdl8ji5x-closure-info.drv
  /nix/store/ml429p3nlxdwqacvqdbrmw1c6g59s2m2-run-nixos-vm.drv
  /nix/store/k48qf7s1pv9nv1mj0bjffzw7pf8c704j-nixos-vm.drv
  /nix/store/xbq7nhvfv9ych2qpv2k9x4zvd2hcq452-nixos-test-driver-plv8.drv
  /nix/store/cjhi1izzc3my6c65yswbl9ghz45w69ln-vm-test-run-plv8.drv