these 11 derivations will be built:
  /nix/store/7xak0r8bix90nppqc0vivyzljn92wpvg-unit-niks3.service.drv
  /nix/store/f4mpxjx3i5sqw5vnm6d63qq5s54jmmr8-system-units.drv
  /nix/store/wnik5gfr4rhi77b3crvm9gl1iiqaw9ph-etc.drv
  /nix/store/r5hgj6nlz1hgkp3qspik9d6d3fs9np1k-activate.drv
  /nix/store/3mfpdgibzyl2qs0qn2lfk3nqpdskqv23-nixos-system-server-test.drv
  /nix/store/nmljij6ybirh2n1cbkigkdcfkl52apkf-closure-info.drv
  /nix/store/r1gmizwxdm79nfm7ll3yd4hrzqdr9v2m-run-nixos-vm.drv
  /nix/store/4wwwvwmhz0krsrlc2mz0s0d0bxn28pbz-nixos-vm.drv
  /nix/store/j8vfpsngr8c2rp1bvhnlrp86ls741b1w-driverConfiguration.json.drv
  /nix/store/v1gvhwifky177z5b6jyc2irz6zmni2l6-nixos-test-driver-nixos-test-read-proxy.drv
  /nix/store/6qb83rmg7chwlnd0c5pgwsh28cv0hxnn-vm-test-run-nixos-test-read-proxy.drv
Failed to find a machine for remote build!
derivation: 6qb83rmg7chwlnd0c5pgwsh28cv0hxnn-vm-test-run-nixos-test-read-proxy.drv
required (system, features): (aarch64-linux, [kvm, nixos-test])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])