these 11 derivations will be built:
  /nix/store/51v9n0dmrvvxlv9jfvi4shrv0n969a06-unit-niks3.service.drv
  /nix/store/kclhz5768lhaklrk27d2ywfvdhpacrby-system-units.drv
  /nix/store/8agah3sb6y11sn6qlp9gbjir7s0pbi8v-etc.drv
  /nix/store/cpzls9fqa834n7b315r6cffx43bgm3z0-activate.drv
  /nix/store/fasqj2kaxflrvmj0gxrwhjk5y4qg2krb-nixos-system-server-test.drv
  /nix/store/wphb4yy1xlndii6v0njqbis4w12m57aw-closure-info.drv
  /nix/store/kzi0lq1br2jq50mimqjviv5zjyxnglbm-run-nixos-vm.drv
  /nix/store/g62igm0c4lp1i9g61vmzn14x4sk5pwvq-nixos-vm.drv
  /nix/store/sk63yal79r239628cf3mhw2wh44d5mym-driverConfiguration.json.drv
  /nix/store/varcjj737fj62z6yxqyr4hbhrn3g7bpd-nixos-test-driver-nixos-test-read-proxy.drv
  /nix/store/p8ixwi15dbp31mx6hwy8ijbnig80phix-vm-test-run-nixos-test-read-proxy.drv
Failed to find a machine for remote build!
derivation: p8ixwi15dbp31mx6hwy8ijbnig80phix-vm-test-run-nixos-test-read-proxy.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], [])