these 8 derivations will be built:
  /nix/store/rrk2dfr3k09i2sqvw90i859p2l2xmmhb-unit-postgresql-setup.service.drv
  /nix/store/3b1dpa473mwb11nhb0hdcnz0vvjjqavc-system-units.drv
  /nix/store/vc8bdz6k9inmgy2graw5x50n4jbbimfv-etc.drv
  /nix/store/fvbi8hlqr7p9bx40sah7jy83s64yhqb6-nixos-system-server-test.drv
  /nix/store/ynx6zk4wrdjyah5vrxv7p0gz4v953khz-nixos-system-server-test.drv
  /nix/store/8fs3zpkx090kwb0m9w1g672mn0h8chsj-test-script.drv
  /nix/store/alkmpmhxkrysxh8q1hfbdvg6nayzrnj3-nixos-test-driver-hypopg.drv
  /nix/store/jk6g1fhqkp0fjmdhf3iqwnh1r2rgkmam-vm-test-run-hypopg.drv
these 11 paths will be fetched (183.5 KiB download, 1.1 MiB unpacked):
  /nix/store/d97hpxnaycgw4xr8phnwpxpwl7cvcjd1-activate
  /nix/store/mi0h4m419xlp7djjcp91cw133gm4wicn-closure-info
  /nix/store/p4nai3ignh510zkbxbgbi9xhm33wjfpf-driverConfiguration.json
  /nix/store/2h5pwsmnrj3hnjf2zrp5gsdllkq8yfhc-etc
  /nix/store/4jg199r0h30jbz0m4nxn3maqkpc5c5an-nixos-system-server-test
  /nix/store/dqfqyk967xzhkhlz7kb6lf8zxhr7xi8f-nixos-system-server-test
  /nix/store/cr4gc10yvmh4j1a2jz6fw22i4xlbs4y5-nixos-vm
  /nix/store/7krkw6wxga93m6fm74kl8h283yxqwziz-run-nixos-vm
  /nix/store/ynwdmga9bgbxnpfcqrmqabh47nkbq701-system-units
  /nix/store/5sw0di1sk73kiz8243c5vckfk9ljkfh1-test-script
  /nix/store/s03z8zsipffdkqnm49jb3zjb6nk03j83-unit-postgresql-setup.service