these 11 derivations will be built:
  /nix/store/r18d5pwgx8yrpf3avigd46m91x3bdfl5-unit-radicle-mirror.service.drv
  /nix/store/p9jw5vpl79c52fl0m7j0ki9kip47sfw2-system-units.drv
  /nix/store/p5w2py7qav48ik2ir58nmf0nvvkhxx0m-etc.drv
  /nix/store/qg7mry7c9mladilf60zjcr0hlvgyy380-activate.drv
  /nix/store/c8rjb4j7ipnp1z64d67bsqfilakb6iib-nixos-system-machine-test.drv
  /nix/store/1g0pidf03kv24s5c28ijj5351ma3w68h-closure-info.drv
  /nix/store/km0y54nzlw2pdvr8li8zcg4dvi752giq-run-nixos-vm.drv
  /nix/store/w1lq7zh4arcrzxw946pc29zpsdgwyhzg-nixos-vm.drv
  /nix/store/d5gz5c0i8v6j3z4gdnwxzjc6r34vfzp9-driverConfiguration.json.drv
  /nix/store/43l6iscih7z4mi9jx6avrlzd9pz2ix37-nixos-test-driver-radicle-mirror.drv
  /nix/store/nvvxclkxck3n3p3vkc82w9k6znpvr679-vm-test-run-radicle-mirror.drv
Failed to find a machine for remote build!
derivation: nvvxclkxck3n3p3vkc82w9k6znpvr679-vm-test-run-radicle-mirror.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], [])