these 11 derivations will be built:
  /nix/store/55f5588dpnqvi7afn6j5yxxi5x5y3498-unit-niks3.service.drv
  /nix/store/p7ghwb8653ixi7azh7wgrmd75klbfqrm-system-units.drv
  /nix/store/ahxlnv7ws5ljxrbzrykjl20sgik2g8gi-etc.drv
  /nix/store/sr02gvndap0vrn2sllvyc9fa8p8bc5x7-activate.drv
  /nix/store/nl422rvxz5by3354c0zpy6rmlzcd6hmk-nixos-system-server-test.drv
  /nix/store/jgn0w9pyzjapp7s5lahp8ljjkk8ip1hy-closure-info.drv
  /nix/store/65j73yly38x7f2sabila0f70nskcx0vj-run-nixos-vm.drv
  /nix/store/qqhbl8c5sicg89vj5kmhg6jvsy0pny2k-nixos-vm.drv
  /nix/store/wzr6j4scrjj4zrnlr8y4lkyv2kzxpz60-driverConfiguration.json.drv
  /nix/store/aczmf2pa0gv9hakxypdq9wis78wph93k-nixos-test-driver-nixos-test-read-proxy.drv
  /nix/store/yzsg1w5qi4rkb1dzqyigz3an5jlp4d9n-vm-test-run-nixos-test-read-proxy.drv
Failed to find a machine for remote build!
derivation: yzsg1w5qi4rkb1dzqyigz3an5jlp4d9n-vm-test-run-nixos-test-read-proxy.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], [])