these 11 derivations will be built:
  /nix/store/ffzb8k6p2y5kss0ih1hicqbnpny4pfnc-unit-niks3.service.drv
  /nix/store/z0dn4irw93xmb8wjxwkspl6j1a644pqd-system-units.drv
  /nix/store/arwh86y86qrbgv2kxyldkjn8mwnllp58-etc.drv
  /nix/store/qgwisyjdk8hhkhka17vyx2niqn9l893h-activate.drv
  /nix/store/4zwzpwaay786yj6scr46dmw5v05hxd4j-nixos-system-server-test.drv
  /nix/store/6g4gv7kabgcbjmj56xy2yv6hw7d1gp82-closure-info.drv
  /nix/store/bf3im6c82jb04bx1c3hl6pcj6j0icfay-run-nixos-vm.drv
  /nix/store/p3k60s1xgxpzg8ghsp08m61h45nrm21r-nixos-vm.drv
  /nix/store/115vzwjg6lxkcy066gljzxq85x2h4rl3-driverConfiguration.json.drv
  /nix/store/6az78d0vab70x1iwx9fpv5vhcpcv3bla-nixos-test-driver-nixos-test-read-proxy.drv
  /nix/store/arxi2zlw4wszhb9asvysyj1n5iwj6bg2-vm-test-run-nixos-test-read-proxy.drv
Failed to find a machine for remote build!
derivation: arxi2zlw4wszhb9asvysyj1n5iwj6bg2-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], [])