these 2 derivations will be built:
  /nix/store/gqqlgmf74ccn2x3b0f61zfmimnsnwp7x-nixos-test-driver-wrappers-regression-PSQL-1387.drv
  /nix/store/ja6afbc7y1x1wcklbyanfbhpl6n6jrj9-vm-test-run-wrappers-regression-PSQL-1387.drv