these 10 derivations will be built:
  /nix/store/0rygsgdcy1fnhlqk26m53gi3agjs7c4s-system-units.drv
  /nix/store/l7pf9yxqs4r9diyadcvgkzr4vhcigvwv-etc.drv
  /nix/store/bcl0lwf98771sx45qh53vbm9z2pcmiy8-activate.drv
  /nix/store/vck7vdciwffs9jgfcamsb8rwqycgkydq-nixos-system-machine-test.drv
  /nix/store/rijbb3q0as1x5grkhjj1dz73cfcql8sg-closure-info.drv
  /nix/store/ay6ig6164v1cqljjv609zygsi9iin3dq-run-nixos-vm.drv
  /nix/store/5bzc4ppinmwabam274hpwrlgalappy58-nixos-vm.drv
  /nix/store/mlwn4bngvav3ihg8np442jhx3kmaacq4-driverConfiguration.json.drv
  /nix/store/1jz3zq8qza9svm3yc1n96fnnpr9p8jn6-nixos-test-driver-systemd-userdbd.drv
  /nix/store/kdvj126rmjgzznqc1jm8c8n56ia7cmly-vm-test-run-systemd-userdbd.drv
Failed to find a machine for remote build!
derivation: kdvj126rmjgzznqc1jm8c8n56ia7cmly-vm-test-run-systemd-userdbd.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], [])