Merge pull request #538 from vcunat/p/benchmark

builders: add the "benchmark" feature on their nix side

Author: mweinelt

builders/common/nix.nix

@@ -30,6 +30,7 @@
       system-features = [
         "kvm"
         "nixos-test"
+        "benchmark" # we may restrict this in the central /etc/nix/machines anyway
       ];
       trusted-users = [
         "build"