these 11 derivations will be built:
  /nix/store/7j748kzlzhw43w1nfalkzdsmvla5mrqa-sops-install-secrets-0.0.1.drv
  /nix/store/kifbnajhj7fjqc6ldnb2ivmpaad45chq-manifest.json.drv
  /nix/store/2zllvjipbw6q2l48yndr7kjhj6sn266d-activate.drv
  /nix/store/mfrbsnlsi0f5lxhsxn1kmgfpznn28lvz-dry-activate.drv
  /nix/store/n4ka0gw7d8kj43f3jamhavs91xkxwhzb-nixos-system-machine-test.drv
  /nix/store/1gqzqrbrf93i403diw3ph2alrx1qdsxs-closure-info.drv
  /nix/store/w5a0jjagj5jmavbwm1nrmizhbw9v88ff-run-nixos-vm.drv
  /nix/store/nqpz386rvnain18ir80hps10vh52syaj-nixos-vm.drv
  /nix/store/57xlikihc240xznqf235fy51qb2bxq73-driverConfiguration.json.drv
  /nix/store/shxx75di9qrfi16daibdc00d5jikjsis-nixos-test-driver-sops-age-ssh-keys.drv
  /nix/store/kg9yw3gf3izk4ywvbg2yqjfcwwm9xr3h-vm-test-run-sops-age-ssh-keys.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
Failed to find a machine for remote build!
derivation: kg9yw3gf3izk4ywvbg2yqjfcwwm9xr3h-vm-test-run-sops-age-ssh-keys.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], [])