these 2 derivations will be built:
  /nix/store/gnjqlslapgjzwd60xqws9qsn6g06wfjc-nixos-test-driver-wrappers-regression-PSQL-1387.drv
  /nix/store/kp5b22hh58ggqv4cn9qxixmgnlkivmkd-vm-test-run-wrappers-regression-PSQL-1387.drv