these 16 derivations will be built:
  /nix/store/bfkvpgnzz61lpi64k4mky4zpmnfhbmc6-system-path.drv
  /nix/store/4m6p7k295dqiaxpi19ncnbk4pcr4v5cy-dbus-1.drv
  /nix/store/l8d09xv605lvc4w11r7g1bnspspcmg6f-X-Restart-Triggers-dbus-broker.drv
  /nix/store/hd1ckzxn93abs5m8j1330r6khrrqwffw-unit-dbus-broker.service.drv
  /nix/store/jbiq0cb1aki5p3mqnga8qv76n13n4s0x-system-units.drv
  /nix/store/d03nhmg0akgx8l9mb7y132fjb7vsf74b-unit-dbus-broker.service.drv
  /nix/store/lghppnn1hciqy4d1dj6s13lqi8h52x7p-user-units.drv
  /nix/store/i1kzyhw3wqbirfykl01k6wigf96mnirx-etc.drv
  /nix/store/ba3gwwcqifa5k0md987b41mb08rj6f29-activate.drv
  /nix/store/vp2czcsqcxw8sfdmf8bwsfn7wg1zbbrj-nixos-system-server-test.drv
  /nix/store/66gwb4n8vqn3fiziqhvh1vhmc5snzx7r-closure-info.drv
  /nix/store/8n7wdh4np326nl77yf842y5a7g5sfgjb-run-nixos-vm.drv
  /nix/store/0hrmicvkyf24n3jpc8kcnv5x1sidial7-nixos-vm.drv
  /nix/store/hq6sq1qkbi031dr5cpg2lb4vz708r5vw-driverConfiguration.json.drv
  /nix/store/zb3nqh0j7bimpd9g8w1h5dp9r6qfycam-nixos-test-driver-nspawn.drv
  /nix/store/xkq1mlavymb27a71lrpscp49j29sj1k9-vm-test-run-nspawn.drv
Failed to find a machine for remote build!
derivation: xkq1mlavymb27a71lrpscp49j29sj1k9-vm-test-run-nspawn.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], [])