these 11 derivations will be built:
  /nix/store/ijnbz0kmqpna51d3p02i9n8k0zzp677k-unit-niks3.service.drv
  /nix/store/47wqv4iah4xrcpkb4hgv5mg166nfazf1-system-units.drv
  /nix/store/p1wz45hwwv4d203zjn0fvyijh6fg3mx3-etc.drv
  /nix/store/k0ki1j5xmz3lj9nql56n5g7fqza306rq-activate.drv
  /nix/store/1v1fw82slk7yqbl6m5rvfp1zvwvlvhha-nixos-system-server-test.drv
  /nix/store/ba89wfx7fc36aq4wzzz6l24mdxvx7yyq-closure-info.drv
  /nix/store/91dm0xgy1b4v55hixlj6s6d039ffd82g-run-nixos-vm.drv
  /nix/store/vpx8g8kil889n4lj8jnzw1qc0prpcgaf-nixos-vm.drv
  /nix/store/s209lvypxrfa8bkq8n7ndhd45i98ca8v-driverConfiguration.json.drv
  /nix/store/b13fslgggkywkvhbxgqfa1sx9igf2vhs-nixos-test-driver-nixos-test-read-proxy.drv
  /nix/store/r8cjchy5b2y9hp30z4bcmi99rajq7xcj-vm-test-run-nixos-test-read-proxy.drv
Failed to find a machine for remote build!
derivation: r8cjchy5b2y9hp30z4bcmi99rajq7xcj-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], [])