these 7 derivations will be built:
  /nix/store/plc8ply44zsgj9vjvl5vfn0wdizvd5a1-unit-postgresql-setup.service.drv
  /nix/store/m7vz67bfizqx3dc02i8hcd3m4bci7nnm-system-units.drv
  /nix/store/45ddv8rq4q3r3qb9j0isla2b9jfwg9f7-etc.drv
  /nix/store/4bgg2778znap31f9lr0szmirya4immi1-nixos-system-server-test.drv
  /nix/store/dgzihv6y56ajpp2p5s28bjsc7gdrq72q-nixos-system-server-test.drv
  /nix/store/f79pz6rf6dnhbzlb9vb6v190sjr0hjrq-nixos-test-driver-wal2json.drv
  /nix/store/3slkqqi2yb3kn4g105v58fx3ahczayv1-vm-test-run-wal2json.drv
these 9 paths will be fetched (79.2 KiB download, 498.2 KiB unpacked):
  /nix/store/m6wf065qj09naqmzyhiag6klwv8nhfjv-activate
  /nix/store/8kqrgm24650crxzjy058d10hj3f56vpi-closure-info
  /nix/store/73hjw2rjxm0zmspn0axsrdbxq297cl1z-etc
  /nix/store/fqflp15g45z0a44svny2agnd4qznqb8f-nixos-system-server-test
  /nix/store/md474dkd4ixy20nkn54m8m3fqy1z83lq-nixos-system-server-test
  /nix/store/26qi1mvh3fblxw593c5dhzy2v81ajcja-nixos-vm
  /nix/store/v91ds536z8vq7xnpx1s34y05673jrxyw-run-nixos-vm
  /nix/store/7kjmj2965vf25r074cnyx02zz4kqrdv6-system-units
  /nix/store/n2pav8hqnw95ifhwarkpcmav1bnw1px8-unit-postgresql-setup.service