these 11 derivations will be built:
  /nix/store/jw4dghqd6vvg70ixshcnzc8bc866c0rc-unit-harmonia-dev.service.drv
  /nix/store/0bx5n3wd4d9jglbwvyd4xmqb1bw1wa7r-system-units.drv
  /nix/store/bhdf244qbcfnb63cmnnma733i37san76-etc.drv
  /nix/store/lshd0lnsmm1np224vnjddiyb3xnnpnp6-activate.drv
  /nix/store/7fw8ayvdpbajc7j67ldnjgf6jngz8x9j-nixos-system-harmonia-test.drv
  /nix/store/hnknwrqx91cbsajsw4df7nbc3lrn3g8w-closure-info.drv
  /nix/store/7wci17paqjcggifa9b51vyihnl79d8j4-run-nixos-vm.drv
  /nix/store/264li2ngcl9qikrs0sz4vv65cnnvz93p-nixos-vm.drv
  /nix/store/hkv5sy6z62zw916pnc0s9n599viyy3py-driverConfiguration.json.drv
  /nix/store/as9mm6kx39csc3c4jqjpljsq2nlr5nk8-nixos-test-driver-ca-derivations.drv
  /nix/store/r4x8ypd6jzd4d2q65p7rym8kzsp5jpfa-vm-test-run-ca-derivations.drv
Failed to find a machine for remote build!
derivation: r4x8ypd6jzd4d2q65p7rym8kzsp5jpfa-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], [])