these 15 derivations will be built:
  /nix/store/539zz9sgbrs05kjly4vqy2rhcpm05ia8-niks3-post-build-hook.drv
  /nix/store/2xhvdghj1r53flkgmpcbiah19wbjnsww-nix.conf.drv
  /nix/store/zyhcc6hq93d6apwi70rhv4zmscdxrgnz-X-Restart-Triggers-nix-daemon.drv
  /nix/store/1873yxqfzshfxkpbh1qa65mkm0wk98x0-unit-nix-daemon.service.drv
  /nix/store/vr1kp03941bm5pclf7dvkk79iz8bqdqy-unit-niks3-auto-upload.service.drv
  /nix/store/0p9nx0xay4c14jg2iv09pw0x1nqwgp5k-system-units.drv
  /nix/store/fc6fibb6ffhbi98qwk6kqbckk10y9j6n-etc.drv
  /nix/store/blhbqzm1qmlh68ki3r864w3lphywvkyk-activate.drv
  /nix/store/9dl5vlhjzy7bdh4c6m0a4ihzkf0b5kl9-nixos-system-builder-test.drv
  /nix/store/99syan9xbc37h7jx6vgznh69iad732fm-closure-info.drv
  /nix/store/sv06b6s23r5msk6ldf85ybpwbzb39ny4-run-nixos-vm.drv
  /nix/store/6j9mfmrqgwzrzv3ynssdhyp90qwmhvf8-nixos-vm.drv
  /nix/store/0mdda0898pp1a4hmp0264ylp61i9mzl9-driverConfiguration.json.drv
  /nix/store/86wnwhkfs5g5zad0dfny7yq6fymwfdx6-nixos-test-driver-nixos-test-niks3.drv
  /nix/store/28jndbbhqchp9bxpy3jnlj4knsvjc869-vm-test-run-nixos-test-niks3.drv
Failed to find a machine for remote build!
derivation: 28jndbbhqchp9bxpy3jnlj4knsvjc869-vm-test-run-nixos-test-niks3.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], [])