these 24 derivations will be built:
  /nix/store/v5rcrapaimi0y5fd6fk2mqhfrw30dy5m-system-path.drv
  /nix/store/v05j2739ylb5ga6gmvzkj4cyvkfp85s1-dbus-1.drv
  /nix/store/x4xf6mj2lva4xqllpx43vciyv69gs4mz-X-Restart-Triggers-dbus-broker.drv
  /nix/store/6wzqi3381x0alm1q2w9sg1fmfr4c4x1q-unit-dbus-broker.service.drv
  /nix/store/9gddjw1ccmyh2r38fdm0rxgfs1bk0cqv-user-units.drv
  /nix/store/1qscczxw9ibm276ys5c6krqk47h7i0zc-unit-dbus-broker.service.drv
  /nix/store/igg8x6dqmvww4npab87pnvc0yk3iws7a-unit-tincd-mesh.service.drv
  /nix/store/rd458gvla7rc413q2w681g691y9r9vi4-system-units.drv
  /nix/store/00lsi82xjrs3jpl54s2mkg64r8sy4124-etc.drv
  /nix/store/dndiw4npna1r0j92x1x3rajksdflda3z-activate.drv
  /nix/store/xl9kni6z086wrflj9l1ip66n1kv3j2kp-nixos-system-alpha-test.drv
  /nix/store/9ggznrpm7m2y0qibai7p86j5zf63rzy5-closure-info.drv
  /nix/store/hxdcplks0fnvxrxhlp8dphpmzkfixnan-run-nixos-vm.drv
  /nix/store/18cqzcbbzpy587hr9rbimf3hqfn06da3-nixos-vm.drv
  /nix/store/ba0r1kcrzqg6vl8bqvpk3a37ykzjalqw-system-units.drv
  /nix/store/3k7w8s3cklvkwvgy6adsgcc7flr9h8vg-etc.drv
  /nix/store/ybb68lx23m4fvqbhfwchal0ra5qjkipx-activate.drv
  /nix/store/5n6cv8980bpflah008mrly8k6fr3xvd7-nixos-system-beta-test.drv
  /nix/store/fp4jbfqsznqsh8qjrpd64vbzak1n3bhn-closure-info.drv
  /nix/store/y67m7xhvrh81mfkswm7jg1w241x0x161-run-nixos-vm.drv
  /nix/store/813jgzjvcbzmjvpa9lxij934j4m05rmb-nixos-vm.drv
  /nix/store/chdnb46mh0qkl430dwb9rppv9pxp4li7-driverConfiguration.json.drv
  /nix/store/g353ygkcsba4s2gbxlapsbh7mr12bjm1-nixos-test-driver-tincd-systemd.drv
  /nix/store/6qsb1bach40pp1gd44hcwi0r3zy65k95-vm-test-run-tincd-systemd.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
Failed to find a machine for remote build!
derivation: 6qsb1bach40pp1gd44hcwi0r3zy65k95-vm-test-run-tincd-systemd.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], [])