these 15 derivations will be built:
  /nix/store/r6k8ngdfk5jmxg4a07mshvi2bbkgaxnb-niks3-post-build-hook.drv
  /nix/store/dr67zpnk2vjz56fg26y6dsvy66advih7-nix.conf.drv
  /nix/store/jsy13m50qpi3i89w84c47kgm2yrig2ps-X-Restart-Triggers-nix-daemon.drv
  /nix/store/q2p36nmhc74agfkaph11kzy5c55gxkry-unit-nix-daemon.service.drv
  /nix/store/q3r9kaxydf4v31c0kry3p40hs6mxzw5x-unit-niks3-auto-upload.service.drv
  /nix/store/l8g3mydj0f6psviwfn62dffn7mp3lsik-system-units.drv
  /nix/store/0af6x6s7d6s2rrxvwryy0nmhgx7rziia-etc.drv
  /nix/store/a0g0lwgbkjqf8rhjwz7d2izzabwslkwz-activate.drv
  /nix/store/yh1dv1nd910yqv39ckvr5z3vfnqx02b3-nixos-system-builder-test.drv
  /nix/store/952h24jnl3mcb4hjp5wljglzrx7cpj0w-closure-info.drv
  /nix/store/m8gkxgrq0sb3lwki40qyv4dplbkibla3-run-nixos-vm.drv
  /nix/store/6zgzr5pn2mdyaqxg81gafv6xql6xgfyi-nixos-vm.drv
  /nix/store/wphbrxhdwby386hygmk9mzb1zcqr2pmk-driverConfiguration.json.drv
  /nix/store/rpw8q4q840ffqpk7yycivmfmsi8dg7c5-nixos-test-driver-nixos-test-niks3.drv
  /nix/store/20c9v8vyx3f9fqxx0gyv8bi4sv9yq2g1-vm-test-run-nixos-test-niks3.drv
Failed to find a machine for remote build!
derivation: 20c9v8vyx3f9fqxx0gyv8bi4sv9yq2g1-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], [])