these 15 derivations will be built:
  /nix/store/5zmzj7ldqwp153j5z0phkyphkkq6b397-unit-niks3-auto-upload.service.drv
  /nix/store/1ymzrg49a8x5n12gsgyljfz484asmcxa-niks3-post-build-hook.drv
  /nix/store/k98d776cpf8jfb145kgx706s5rcqwdcd-nix.conf.drv
  /nix/store/nzw0n1246rspq1dqdp1mmn02qryiyh34-X-Restart-Triggers-nix-daemon.drv
  /nix/store/9ndg7y2x3sgivnpgq4jzhrv014x8z20g-unit-nix-daemon.service.drv
  /nix/store/hsahzdcm35k5dxwpiz9f22psggq29q6h-system-units.drv
  /nix/store/g1x641wk6alxi6lc4w84cvdgkgi74ri8-etc.drv
  /nix/store/mkz1wsfflfsnc0vcqgnj4yh8pbghbbdp-activate.drv
  /nix/store/jp3vklcd9ws696c883ppzqzjp9rw4bj2-nixos-system-builder-test.drv
  /nix/store/m8k85pzcw9s2dc9hsnfdv0hwqi4r7i0p-closure-info.drv
  /nix/store/s2gjha7wcilhks1blrj86mvy1z28sg02-run-nixos-vm.drv
  /nix/store/qfhqm4hhj5vg76a7zipzfvxrzsp1ncmk-nixos-vm.drv
  /nix/store/ajgkc4941znnglgs9q5zcxjgrpivmknq-driverConfiguration.json.drv
  /nix/store/05yhk62pbdxqbb7jkx0ww5xp637kg3v9-nixos-test-driver-nixos-test-niks3.drv
  /nix/store/56qk6mzzhf1p0ipmhkl2szywm123hnsw-vm-test-run-nixos-test-niks3.drv
Failed to find a machine for remote build!
derivation: 56qk6mzzhf1p0ipmhkl2szywm123hnsw-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], [])