these 11 derivations will be built:
  /nix/store/dyqigd2cnszhxpr3mz8l11dqp5822h6w-sops-install-secrets-0.0.1.drv
  /nix/store/fqa3q09rv2fs0mvbparl6g2yr5if89sj-manifest.json.drv
  /nix/store/klrvs1n3lbacg2zzcribkd3ik5glrzsc-dry-activate.drv
  /nix/store/ycwbcshr3ajcyq6l1kx1aa0iq0k4n80n-activate.drv
  /nix/store/3mpbxyfp2imi5jh7zz6aahrc534044r5-nixos-system-server-test.drv
  /nix/store/jzd5zjrmhpzc18y65ra8yb1762qqw38l-closure-info.drv
  /nix/store/wqa2irkxhv62kcc60ai9dh2gv3902xzz-run-nixos-vm.drv
  /nix/store/64jshx4m8kx7qzpvvkw6fdi1sd3i39mc-nixos-vm.drv
  /nix/store/zvkk0qa80gkdqxj2vn2lqyn7wy2riwr5-driverConfiguration.json.drv
  /nix/store/p7bz5h6r937wdjcy4f5hwyihwh75rm9m-nixos-test-driver-sops-pgp-keys.drv
  /nix/store/aasm0c8j8gw2p9pmlq53bg3jnbybikhq-vm-test-run-sops-pgp-keys.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
Failed to find a machine for remote build!
derivation: aasm0c8j8gw2p9pmlq53bg3jnbybikhq-vm-test-run-sops-pgp-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], [])