these 4 derivations will be built:
  /nix/store/kwg7zhijjbnnlxw79mlvwgprwy63597j-test-script.drv
  /nix/store/457jzwjxlag43lvh928bh2qnp645c78m-driverConfiguration.json.drv
  /nix/store/v7d3gbicf39q4mnd3n2k6qp4sbjy2h3g-nixos-test-driver-pg_repack.drv
  /nix/store/32m1397a9hcq3k4rgi5j30w9rv93ks3h-vm-test-run-pg_repack.drv