these 16 derivations will be built:
  /nix/store/1xsj5vp2dj0p7vwadskkmh0xar1v2k2z-system-path.drv
  /nix/store/z528j30rnbbnrhil0lr77w772arabs4q-dbus-1.drv
  /nix/store/1gva4p308mcc2z52wc5lvbz500azxadw-X-Restart-Triggers-dbus-broker.drv
  /nix/store/4nmbb2bj5ksf42r7dgcp7f29137hrlwg-unit-dbus-broker.service.drv
  /nix/store/a7z7xhsl8m8q9445xdn9phjqjljvq0xn-system-units.drv
  /nix/store/w9innic5dvp3jfryqllg5v4m308kb8r7-unit-dbus-broker.service.drv
  /nix/store/dd3n27gmyyf62sb3iqhv2a9d5f06vbi2-user-units.drv
  /nix/store/495x5cbv7jv6xxgk3g17v6lchiff9cbd-etc.drv
  /nix/store/6s6585h0pvlb6r1ziy4n66kcgk1rjs0q-activate.drv
  /nix/store/qn53gavh699mcfy8kwqnsphk9qd374w5-nixos-system-server-test.drv
  /nix/store/5m3r912wcgj8gmr7xi9xiryrbh01z2lz-closure-info.drv
  /nix/store/6gi773zjzs6j7inqmlnw77yp8d5k2dm6-run-nixos-vm.drv
  /nix/store/3xp14yd1ris0v4rhq7mh5ng9s2lvwrmq-nixos-vm.drv
  /nix/store/hwaliccxzz86z0517jr1chzjcbv923ci-driverConfiguration.json.drv
  /nix/store/w7frgb2nad7jc6kh0s1yyv269d0q5kjc-nixos-test-driver-nspawn.drv
  /nix/store/xn19k2hi9qjhr94ss6fb8pybxb6m1037-vm-test-run-nspawn.drv
Failed to find a machine for remote build!
derivation: xn19k2hi9qjhr94ss6fb8pybxb6m1037-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], [])