these 10 derivations will be built:
  /nix/store/zk9ih5pnipqpzmd17yg9f193hdsk2ahq-system-units.drv
  /nix/store/bxkr7p4x3hxvsi7s8dr99yalnqiss0h5-etc.drv
  /nix/store/qjfqr3idhllyjckf42h8w6jqgvjlsvl4-activate.drv
  /nix/store/dvns8vgj6q5sdah89bhvfr80nzfrlj9h-nixos-system-server-test.drv
  /nix/store/5f26fk9v83yn4mzxic6vk6q9rsa98j7l-closure-info.drv
  /nix/store/aajk1czgdc83i6k88hn3cifbsz1sj4yp-run-nixos-vm.drv
  /nix/store/ijkyahk00l3xwql6q3z26mlgvjjivjzs-nixos-vm.drv
  /nix/store/xg6djppyq5g61lp6417lpcznmmpj00rg-driverConfiguration.json.drv
  /nix/store/690vk8sz9wk2qh4ilbykc1wvgibls2br-nixos-test-driver-nixos-test-read-proxy.drv
  /nix/store/0sp0mgssmrsa076q2akvq82msrbbywr7-vm-test-run-nixos-test-read-proxy.drv
Failed to find a machine for remote build!
derivation: 0sp0mgssmrsa076q2akvq82msrbbywr7-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], [])