these 11 derivations will be built:
  /nix/store/m06zwi69y1zx1z0c6p57l9s5cz0746b8-unit-harmonia-dev.service.drv
  /nix/store/yvc9fvsgvika12prjhr7lbh59nha5zm9-system-units.drv
  /nix/store/jmdjynxy7ir5ns0d8lc5fa1wa9p6hi8w-etc.drv
  /nix/store/bk0yl2ym8zjq633vmhlcdb4rckdzbq36-activate.drv
  /nix/store/nwxmygrm4gzwr0ngcsz1ylplzf04vjq3-nixos-system-harmonia-test.drv
  /nix/store/yqca0r198s519vxjw3izv9p60425khgz-closure-info.drv
  /nix/store/i81f1dy7jgn165dygnzii7sgg5vw6rkb-run-nixos-vm.drv
  /nix/store/h5fpgx82i6vf3sg2nfapkp7wj2ikyy90-nixos-vm.drv
  /nix/store/wkvi0947dpz83c32c8i6cglxz6pa92lj-driverConfiguration.json.drv
  /nix/store/c7xhfl2wfw781lf46vm4d1a2nsj2lp3f-nixos-test-driver-ca-derivations.drv
  /nix/store/0q7n4r13may8bk4hg1x1q3sf176fqjvz-vm-test-run-ca-derivations.drv
Failed to find a machine for remote build!
derivation: 0q7n4r13may8bk4hg1x1q3sf176fqjvz-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], [])