these 11 derivations will be built:
  /nix/store/y1nc8q2xw8bygalikh26kzf6n0h1a8bc-unit-radicle-mirror.service.drv
  /nix/store/i5f0vr9343ff1vg8x2zwdyk3nrmp1hk7-system-units.drv
  /nix/store/02qslsp7xrh0k6j5m8yfzznw211lxxij-etc.drv
  /nix/store/af07pj1iaw75clwfgzpswywg3f25wsvw-activate.drv
  /nix/store/azs1bkjrf6cxwjbd0i4nm37bw7wk3f4i-nixos-system-machine-test.drv
  /nix/store/d90yqpflwr7gc8m9hrfk0cdpam91hm89-closure-info.drv
  /nix/store/l67qk9siznfnb9b9vdw4dzbxgc5vxa1h-run-nixos-vm.drv
  /nix/store/jmmgayck9g0jkkmcqmpv5bsnnjrsm0ph-nixos-vm.drv
  /nix/store/fizcg1kfs12sggkdkxl4h0xc3x7yq3bn-driverConfiguration.json.drv
  /nix/store/82wzjqpgqjzn8kbsfgzal4msvqd28ag0-nixos-test-driver-radicle-mirror.drv
  /nix/store/bbj65g6jnr9c5pb67jifiab0wn8inw12-vm-test-run-radicle-mirror.drv
Failed to find a machine for remote build!
derivation: bbj65g6jnr9c5pb67jifiab0wn8inw12-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], [])