these 11 derivations will be built:
  /nix/store/qj4n5ld9v6df8s0qnf4wczqy9ifappvd-unit-niks3.service.drv
  /nix/store/wwisi3b47v5qqibmngpz84jly7xdmsn8-system-units.drv
  /nix/store/svxz9dr7kcdh74adh6saawd0bsicy3s6-etc.drv
  /nix/store/mbnv2918g0lh9jgridypvh1rjn2624fv-activate.drv
  /nix/store/znrz6pdv9nr92hb9dc91p5pgir78k6pl-nixos-system-server-test.drv
  /nix/store/97xrkw532mz0lbcr6pkzxcalf9pkv3z6-closure-info.drv
  /nix/store/4qs6bqn480yiqvxzs41qj1zv6xspzr3c-run-nixos-vm.drv
  /nix/store/45g8i21417najfxw7j4mlz9pdpa9lady-nixos-vm.drv
  /nix/store/lc341gd3d90371msfg3nraqxjgdsxafs-driverConfiguration.json.drv
  /nix/store/sarfhwlmrxfbhbqanf4q2hlzgqmb0nv8-nixos-test-driver-nixos-test-read-proxy.drv
  /nix/store/a4bdah78i2a6skafbyhqyd7w0g2ywind-vm-test-run-nixos-test-read-proxy.drv
Failed to find a machine for remote build!
derivation: a4bdah78i2a6skafbyhqyd7w0g2ywind-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], [])