these 14 derivations will be built:
  /nix/store/097sy968f8495cb41g3y7l56d1638gwk-unit-niks3.service.drv
  /nix/store/9inw96ml6i1gv6l6ccqi1rh59ryvkagp-nginx.conf.drv
  /nix/store/2q6frzxmg71xm0i8c7pkf10dnv6sawsc-unit-script-nginx-pre-start.drv
  /nix/store/59s5cz8zvnmgqlcldjyaz56z47b09na6-unit-nginx.service.drv
  /nix/store/7y5zx7r66v877n4j874dika51i8wc8mp-system-units.drv
  /nix/store/3jx6iyzmfqxp3v7zvdw84pzcwxhk1cwc-etc.drv
  /nix/store/6ww7qpvs79kjmm0kcj90y9srf1nl4vw5-activate.drv
  /nix/store/wrp0nl8n945zgzp5hf5dp3bq18gr4fdi-nixos-system-server-test.drv
  /nix/store/m7ynshhirs894blw7rljw9fpv192x3kz-closure-info.drv
  /nix/store/09yhs62vwfqj4jw1pawbd9zvxzh2dd8x-run-nixos-vm.drv
  /nix/store/75d5vzzaagqlg5jd3pi3jz6kan3h25qd-nixos-vm.drv
  /nix/store/23hi24gdpw7i8a8nllkjcyy1dzl8xgrx-driverConfiguration.json.drv
  /nix/store/i1xzaz60i0j1v0qqf6cpscjhay65wxc6-nixos-test-driver-nixos-test-niks3.drv
  /nix/store/7zb566rak8ibpw7hksb8m2pkcd3ndn68-vm-test-run-nixos-test-niks3.drv
Failed to find a machine for remote build!
derivation: 7zb566rak8ibpw7hksb8m2pkcd3ndn68-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], [])