these 11 derivations will be built:
  /nix/store/dc13vgwin8962k0m7j9pga851f43brcg-unit-harmonia-dev.service.drv
  /nix/store/s084c5xrln9jbrrmrzcy0xylm5x2ybjm-system-units.drv
  /nix/store/q6x52k97i1ddrgjlifcym4svy7m3hfxq-etc.drv
  /nix/store/dqhcv0mk144p56qg9ai4r0zx9080n97p-activate.drv
  /nix/store/zbgp0xmv11xbx7hwzwzlyslz0z0wpch0-nixos-system-harmonia-test.drv
  /nix/store/dk0xf10w7ixgwdw70cd46ad076zppjhv-closure-info.drv
  /nix/store/x9d3msk6gci0h4s367225csjhvas67p5-run-nixos-vm.drv
  /nix/store/n98jqc907s5hn2g18jhdwz6a0mp7lg83-nixos-vm.drv
  /nix/store/8rr9jh0q1g054ai9fgm2qzii7raxl066-driverConfiguration.json.drv
  /nix/store/3ivhqcqp90an61rz6k118asa05jn417m-nixos-test-driver-ca-derivations.drv
  /nix/store/hd915gxssizra0gjs4gig82cxp2cfw86-vm-test-run-ca-derivations.drv
Failed to find a machine for remote build!
derivation: hd915gxssizra0gjs4gig82cxp2cfw86-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], [])