these 2 derivations will be built:
  /nix/store/vvas0f5dy3ywhpcrc8qi83pmaka06xfn-nixos-test-driver-wrappers-regression-PSQL-1387.drv
  /nix/store/nn25rv4slql8j5ck96i03h86hg0dfgza-vm-test-run-wrappers-regression-PSQL-1387.drv