these 2 derivations will be built:
  /nix/store/fybsa0vvq6bfbbq8q1rmnbc4d39ky43h-nixos-test-driver-wrappers-regression-PSQL-1387.drv
  /nix/store/ahz21byl53r1rmqfwx1jb434xnkl7yji-vm-test-run-wrappers-regression-PSQL-1387.drv