these 2 derivations will be built:
  /nix/store/q870war1ql8kn5ibksfz1cn8hfhpc6yz-nixos-test-driver-wrappers-regression-PSQL-1387.drv
  /nix/store/rlxpbshpgpyynqxmsy1qb4vwfqjcy47s-vm-test-run-wrappers-regression-PSQL-1387.drv