these 11 derivations will be built:
  /nix/store/sjci96lkc774awgh4h52vdwlkvhf9jv8-unit-niks3.service.drv
  /nix/store/skgxm7krisk9fdwsmyn76341n5pfn4g6-system-units.drv
  /nix/store/5rwwhdqzpspk3k27jppfwrskz13c2wdf-etc.drv
  /nix/store/j1d1d2fdf7x6qbxdl5rv9284pm792m6i-activate.drv
  /nix/store/1rkkf0qlfd1h161njcicgms9ilkqr1qp-nixos-system-server-test.drv
  /nix/store/8rpapvsdar56hrhpq0451pi83m4ssygg-closure-info.drv
  /nix/store/b7awnf30vc08cr4ddws5y84d6rp3qjmr-run-nixos-vm.drv
  /nix/store/yimzcdslfdx5525qg2243yram32p2hk1-nixos-vm.drv
  /nix/store/adbq7y779liyqdbg2nsw0qy04w8hsq3w-driverConfiguration.json.drv
  /nix/store/0n9svjx0my6k9spwfl9gx9fbn6yhgfxx-nixos-test-driver-nixos-test-read-proxy.drv
  /nix/store/m5p4aqb0bwnjwbkcl1c1vq3qmqgqsv1g-vm-test-run-nixos-test-read-proxy.drv
Failed to find a machine for remote build!
derivation: m5p4aqb0bwnjwbkcl1c1vq3qmqgqsv1g-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], [])