these 7 derivations will be built:
  /nix/store/xsj7s5pqqvss8h4yipjpdhfh0i30zaab-unit-postgresql-setup.service.drv
  /nix/store/y3kil6pj2glssw6y72d7fyxkssl0jldd-system-units.drv
  /nix/store/phyw5wfp2ws4r42ir70p9lsfylwlfvag-etc.drv
  /nix/store/q0s2vn742rh8g87v35lgm7xq38xvnbp4-nixos-system-server-test.drv
  /nix/store/4wx45rdqqqmaqwz9c48s0n6nbmkddq99-nixos-system-server-test.drv
  /nix/store/zww38iixxzranmdfmpz1p5ncmgj9jiph-nixos-test-driver-pg_net.drv
  /nix/store/6v6ivvv5yks010zwnb8z78hzisyayfnl-vm-test-run-pg_net.drv
these 9 paths will be fetched (82.2 KiB download, 513.3 KiB unpacked):
  /nix/store/q81k0bjilixrkkb3lbpki5srlyfd9yi8-activate
  /nix/store/s1v3r7xvjdsmxjmciwximz3xp3j3dgab-closure-info
  /nix/store/i5wjnr45djy2kbj9arrdkifv078b302k-etc
  /nix/store/6ylhwa79mw64nxmvych875fwz39ibp4r-nixos-system-server-test
  /nix/store/pna93bbsml96js6nzdskzbb30yy79pzl-nixos-system-server-test
  /nix/store/hkg0lvylds1nb1zyjr4f6pn4xi6jgi4q-nixos-vm
  /nix/store/8j5pag4sxf7bhx480bsdqi7djpwrfi7x-run-nixos-vm
  /nix/store/alxvn7laj5r6xn3h5f9ls51mhl1l5g1j-system-units
  /nix/store/djkl0c0by1nkxmgnkkkvfvzg39pifvv1-unit-postgresql-setup.service