these 3 derivations will be built:
  /nix/store/agdszjycypj1h8ggnnyiqhdfqr8m99j4-nixos-vm.drv
  /nix/store/vwgkfvw3pf6p4r6iw2fpj4ynwq3d1qwq-nixos-test-driver-wrappers-regression-PSQL-1387.drv
  /nix/store/hwgdvik7j9gk77v719h85lrzhddklhqr-vm-test-run-wrappers-regression-PSQL-1387.drv