these 2 derivations will be built:
  /nix/store/wa9wg8kn7d39m5618hh853f75gdsly46-nixos-test-driver-timescaledb.drv
  /nix/store/9bhwn09xhscklwkms5sq2xk1k7pw5fa6-vm-test-run-timescaledb.drv