these 11 derivations will be built:
  /nix/store/q3rw7zp88jj88n4f662r5yhl8n9bx2ma-unit-harmonia-dev.service.drv
  /nix/store/fgsjinxrdlwx3icg7ba7rr5dlc9mazfc-system-units.drv
  /nix/store/803zw9hzch0d3qjq8q9niw67h1cwlx1f-etc.drv
  /nix/store/mh1bs15h2ycg8gbils0cn5gjh17hksm8-activate.drv
  /nix/store/3pw1fr676vnvld0rjd243rg72jncxmv8-nixos-system-harmonia-test.drv
  /nix/store/1rg7hzfpich8p6b6cnfijfy0yyggn0jj-closure-info.drv
  /nix/store/s2qx1h6v9z29k85qk1cvh5j22nh4m88j-run-nixos-vm.drv
  /nix/store/3y2r72yvaq342y6jbwabdjdkihxaj5nc-nixos-vm.drv
  /nix/store/g486rjrs7xabija0lyx7xc0sjh262xn7-driverConfiguration.json.drv
  /nix/store/rcri3njwcrwy7c53prjgrjfnld4xzs17-nixos-test-driver-ca-derivations.drv
  /nix/store/y6a86l99iag3xs98d984kafi9aqy09xa-vm-test-run-ca-derivations.drv
Failed to find a machine for remote build!
derivation: y6a86l99iag3xs98d984kafi9aqy09xa-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], [])