these 2 derivations will be built:
  /nix/store/n7vjyr5rcbvsi34anz25s8ihwfyz49wg-nixos-test-driver-timescaledb.drv
  /nix/store/gin6isrjwjqhcsnwzbhiqj0hq0gcc1v6-vm-test-run-timescaledb.drv