1these 7 derivations will be built:2 /nix/store/9bbh2mxrv52d3caqln9lbvv7q5ca68qw-manifest.json.drv3 /nix/store/pd7s5488ybx4vccyjyqy768dj8003h1m-nixos-system-machine-test.drv4 /nix/store/l8jjc6xgs8jmvk8n3g6ys8jlnl4vh1vy-closure-info.drv5 /nix/store/vc5jknivf3k3wjh0fmfhjisdxklqqac9-run-nixos-vm.drv6 /nix/store/jj8v5i6n8zgvyji741ygx79s8v3y6868-nixos-vm.drv7 /nix/store/f7la4bh428iif3p2qsf6iqx392qnsa7f-nixos-test-driver-sops-age-ssh-keys.drv8 /nix/store/2xy1vhbg2rhk75ifyp7fil5fwz2x2fz8-vm-test-run-sops-age-ssh-keys.drv9warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy10Failed to find a machine for remote build!11derivation: 2xy1vhbg2rhk75ifyp7fil5fwz2x2fz8-vm-test-run-sops-age-ssh-keys.drv12required (system, features): (aarch64-linux, [kvm, nixos-test])131 available machines:14(systems, maxjobs, supportedFeatures, mandatoryFeatures)15([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])