these 6 derivations will be built:
  /nix/store/j8cx4l0waiqmck4qjpgvl8rwyhq2m1hg-nixos-system-server-test.drv
  /nix/store/awhxc68f07szznmlfz23f93ndnrxq1qr-closure-info.drv
  /nix/store/33ydj28c4rdpnh9v4q23845yiw5b8hmz-run-nixos-vm.drv
  /nix/store/hicp8sq10ir93f8k9if4qddgxm518965-nixos-vm.drv
  /nix/store/m7mp6sm2r22f4gj0bw20qy0s3cxwdg8q-nixos-test-driver-timescaledb.drv
  /nix/store/5lv8h3sfi3ns5h4dvk0flwxlw8a5w58p-vm-test-run-timescaledb.drv