these 5 derivations will be built:
  /nix/store/2vn818ysslmcf02jcwq6cwfps8y2brzm-nix-grpc-e2e.drv
  /nix/store/aw60srwlvh5snj6bg3xm2l2g3svd1szy-test-script.drv
  /nix/store/94gjgdak17664hrq2zc87ipmdgwawb55-driverConfiguration.json.drv
  /nix/store/bfdji5c322zckg44wdc8qag99rx20438-nixos-test-driver-nix-grpc-store-acme-substituter.drv
  /nix/store/93b5pigqa9dvzf3398nvwcbg1c23iff8-vm-test-run-nix-grpc-store-acme-substituter.drv