these 2 derivations will be built:
  /nix/store/qylyadnly8kazbc53qaqc7wfjn1y6c35-nixos-test-driver-wrappers-regression-PSQL-1387.drv
  /nix/store/n9psj534bd3j4zslqa7wb7ld83p6kd3r-vm-test-run-wrappers-regression-PSQL-1387.drv