these 16 derivations will be built:
  /nix/store/n3im4k047vh2vaf3cw0hicpb7m3bb2lj-system-path.drv
  /nix/store/kbpri09c9fz4d1bh1hkfwykkv7mzg0nr-dbus-1.drv
  /nix/store/k9ji8bs0ghgb0yn0amr4mqpaxr8j31rq-X-Restart-Triggers-dbus-broker.drv
  /nix/store/aj047hf6vgrlfh7hk1clfmfi5ncfj9ci-unit-dbus-broker.service.drv
  /nix/store/bzv7x3258f0y58n3wgvvgibhi76qafk1-system-units.drv
  /nix/store/aa76b8knpi1akx708ci6fsvpqr0addv7-unit-dbus-broker.service.drv
  /nix/store/rsdzi4rfkrypr0154v504qknha5dbzpn-user-units.drv
  /nix/store/lvaw4ri7i8hzzss74d4r9d0ql07dsk4x-etc.drv
  /nix/store/lgg2i23i2y8b8xda5hjcr55amp7hl6v2-activate.drv
  /nix/store/1cw25a3mblaxl3w8p3kg5yxs80l9z8gm-nixos-system-server-test.drv
  /nix/store/iv4wmsij03kycj0q0md534yxqp0anawd-closure-info.drv
  /nix/store/1nvz8b16rlp4zrqr82i8fyw710g8z83a-run-nixos-vm.drv
  /nix/store/k4vqgzzbzmravvzkpiypkl5ki79dr60v-nixos-vm.drv
  /nix/store/cjzjiysl95rip6aqsf6jj00c79n34n56-driverConfiguration.json.drv
  /nix/store/v6594zc71smyxd7c1743szqnx9xh9v7h-nixos-test-driver-nspawn.drv
  /nix/store/hfcfxiwfjwmg1cwm54nywl0d8afyclws-vm-test-run-nspawn.drv
Failed to find a machine for remote build!
derivation: hfcfxiwfjwmg1cwm54nywl0d8afyclws-vm-test-run-nspawn.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], [])