these 11 derivations will be built:
  /nix/store/bmbb8g22glzaf3kb8prmg5ciks6x1xn0-unit-harmonia-dev.service.drv
  /nix/store/rpwvhp47mqmnvb89avfwkif3c3774b00-system-units.drv
  /nix/store/9p8xdxxj7sq0pk314xfx187ndqll9l0m-etc.drv
  /nix/store/jgbwfki7lzl0dvwjif8bqj078k4yr1f2-activate.drv
  /nix/store/fg8jgryrdxsqwfyqzxi4m5v4qniqbppm-nixos-system-harmonia-test.drv
  /nix/store/g2ga2n395jdpqlmicihxb2sss9scdhfr-closure-info.drv
  /nix/store/s3awl0bs47mfvikq4617slr5j640qg3q-run-nixos-vm.drv
  /nix/store/5fqw8p2ybbpwy5gj2qj823fbbka8hyf3-nixos-vm.drv
  /nix/store/wa0xb9ipqqy9si6mf2sagy6s3l5gh5c0-driverConfiguration.json.drv
  /nix/store/4knjzy3j12ams8bbqgvrr7qfg50h4ni7-nixos-test-driver-ca-derivations.drv
  /nix/store/68012in5ma6bhcfmra91dlgn42zbdl3q-vm-test-run-ca-derivations.drv
Failed to find a machine for remote build!
derivation: 68012in5ma6bhcfmra91dlgn42zbdl3q-vm-test-run-ca-derivations.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], [])