these 2 derivations will be built:
  /nix/store/vqyf6p3gg44fqsslr0wanyjfv86wp4iz-nixos-test-driver-wrappers-regression-PSQL-1387.drv
  /nix/store/y31l7az4v74hdlc2wrjvxbkm4qkkw1lz-vm-test-run-wrappers-regression-PSQL-1387.drv