these 2 derivations will be built:
  /nix/store/pv1qg1pzvsrb1qfyp6p04s1bdxsd8gmn-nixos-test-driver-wrappers-regression-PSQL-1387.drv
  /nix/store/bvjdb22q3npj8ghd7siwbpbqcrchwx1d-vm-test-run-wrappers-regression-PSQL-1387.drv