these 2 derivations will be built:
  /nix/store/dnqcaqj4sshr5087marzlh3yxvql1yjz-nixos-test-driver-wrappers-regression-PSQL-1387.drv
  /nix/store/0mgj7vvi376cfwl3rm04nnlrp7hcvkpm-vm-test-run-wrappers-regression-PSQL-1387.drv