these 20 derivations will be built:
  /nix/store/k4k4dmgbqlk7lw62i0nff9fp0jadb03b-flakelet-config.json.drv
  /nix/store/5g3746pkqmbqbajbyjsd97bqri09caxb-X-Restart-Triggers-flakelet-reconcile.drv
  /nix/store/c4w10z5n6sdkisx412gbgqj070fivmwi-unit-flakelet-reconcile.service.drv
  /nix/store/g6gb5b6gx240cl0sz1v35bjanqchqq0m-system-units.drv
  /nix/store/ff6a2bwm783m9pk6qdznd6zj885psh5j-etc.drv
  /nix/store/rsj6k5zd6naf08hxv2y90kfhd3bnhj35-activate.drv
  /nix/store/vxdr7mjz9mkkj2rhipag5fihyq1cvnly-nixos-system-b-test.drv
  /nix/store/r28wvn8j2iivds8dgjcskv4cvisp6r1s-closure-info.drv
  /nix/store/g2mg17vd0ssigwy0b1hxjrayipg4rm7w-run-nixos-vm.drv
  /nix/store/r31407szqbgbqi2g5aca9pilj7w0gklv-nixos-vm.drv
  /nix/store/hz286fqjwq2iqi51i2cw8qvvw4v0bbmm-system-units.drv
  /nix/store/yzpnd7dnyfp2bv858n517hxlr8xq6pzl-etc.drv
  /nix/store/w502q0jpdhw5nbw5k5v2n7ciwnzs8a5b-activate.drv
  /nix/store/bdz12lrh83rnryh4cbk0fw5rwafxk3jn-nixos-system-a-test.drv
  /nix/store/fzzb1in31cg7jfqai3ynbnb12pkqa9v9-closure-info.drv
  /nix/store/iiyfzgkqnrig3xwqaaq6zi68cjgzhis4-run-nixos-vm.drv
  /nix/store/wl0hmgzc63a6bc68jnsy2fc2dl8y2nbd-nixos-vm.drv
  /nix/store/as1m9b5s8isc155z02dm1zcg2vzmw98j-driverConfiguration.json.drv
  /nix/store/7krf3cnw8qxi83mb6384kx9xrqqwc198-nixos-test-driver-flakelet-transfer.drv
  /nix/store/67q1rid47qkgcdyqgpa3h942gc1zdnp0-vm-test-run-flakelet-transfer.drv
Failed to find a machine for remote build!
derivation: 67q1rid47qkgcdyqgpa3h942gc1zdnp0-vm-test-run-flakelet-transfer.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], [])