these 6 derivations will be built:
  /nix/store/1jb219v7gq4q967w1v71f7zg9rriry7s-nixos-system-server-test.drv
  /nix/store/z4i52ndbrinrg0gzllzzg9spymh3qyvz-closure-info.drv
  /nix/store/bd376y5vmvcdwrqh1dn5q55x8jlzrwy3-run-nixos-vm.drv
  /nix/store/if9f9qkj9f763zjmjykkfgxzdkdq78hr-nixos-vm.drv
  /nix/store/hjsnqggh84dh24xmrpfd589arxlrj1kw-nixos-test-driver-timescaledb.drv
  /nix/store/48yb0j6jgqblrs2r5qb4rxg6nlkcbjkg-vm-test-run-timescaledb.drv