these 11 derivations will be built:
  /nix/store/x4s71k9idywpmdcvkrhr0qypf6lh1w1p-unit-niks3.service.drv
  /nix/store/yh36xnrjvyczgciywias2w9w3pl68s3h-system-units.drv
  /nix/store/iqlavslm3gdvkhs4lql23s1y50x9hvrh-etc.drv
  /nix/store/dp4acmap4fnzdzwmm9wc54fywjx3ahrp-activate.drv
  /nix/store/i4jgh5birb22v67775rnhxi5ij1l9qcc-nixos-system-server-test.drv
  /nix/store/nlklqa7xp8a9pb7xs5ksff8q000qq9l0-closure-info.drv
  /nix/store/ps0mijd23gr8mypk148x38ffkky7y665-run-nixos-vm.drv
  /nix/store/7kfwbrha28f7siipgb1fdj4clk0pahh3-nixos-vm.drv
  /nix/store/2pfj78qvhb356xnmsx753i9s8bx06j19-driverConfiguration.json.drv
  /nix/store/x423cwvpfgdsgsk8ddwmap4wd05c9jvg-nixos-test-driver-nixos-test-read-proxy.drv
  /nix/store/6nxxdyxkh0dvnjhkz4sl3yv74wgd7ks3-vm-test-run-nixos-test-read-proxy.drv
Failed to find a machine for remote build!
derivation: 6nxxdyxkh0dvnjhkz4sl3yv74wgd7ks3-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], [])