these 11 derivations will be built:
  /nix/store/3w7w29y4ldgry6anwgraylkdpsydqfnk-unit-harmonia-dev.service.drv
  /nix/store/x69rp067vfc0h5s8cg6zsbi9fw32fnas-system-units.drv
  /nix/store/7acryi2k0pgh1wlbazwrv2ymd6w0a16q-etc.drv
  /nix/store/kil0c4g3jj03i6yks1qqglw3h9r5aifc-activate.drv
  /nix/store/clfzldmlznzxy6bv7ln529pqiiljismn-nixos-system-harmonia-test.drv
  /nix/store/r51w6bfi60a5bxv8qdgxv2af711hggpr-closure-info.drv
  /nix/store/ras956kzp18g3y9ggw75ssij6g8yvpka-run-nixos-vm.drv
  /nix/store/ds00nyr60nirr1wdisibj8wjf7676c4m-nixos-vm.drv
  /nix/store/i1j1i03mhmzxwzxbxfvygkwmm6b2d0yn-driverConfiguration.json.drv
  /nix/store/ygl15ym29a8sl38mrq3zp4cm28ijfcjb-nixos-test-driver-ca-derivations.drv
  /nix/store/7sfah3p9g9dd8g9mk4jpq687xag141f4-vm-test-run-ca-derivations.drv
Failed to find a machine for remote build!
derivation: 7sfah3p9g9dd8g9mk4jpq687xag141f4-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], [])