these 2 derivations will be built:
  /nix/store/qzapj9dxfs6yxgvqbjbj2gcbfp60qv30-nixos-test-driver-postgis.drv
  /nix/store/khhwk96mlc7aawbgvs1w04zv5lhy4av2-vm-test-run-postgis.drv
error: Nix daemon disconnected unexpectedly (maybe it crashed?)
error: Cannot build '/nix/store/khhwk96mlc7aawbgvs1w04zv5lhy4av2-vm-test-run-postgis.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/77m1s9z1biwxr3al6mppf9gvsy67xlbk-vm-test-run-postgis