these 4 derivations will be built:
  /nix/store/na6s22zaknm68i86yfw6spqpg30z2q2a-ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2.drv
  /nix/store/mjmkrhkfhp85k6qrp73ggqpj6c8jxwj2-run-vm-vm.drv
  /nix/store/lraribc6qxdk1q4rygfjzy8ywyw72nh5-driver-configuration.json.drv
  /nix/store/s7rkzwz34j2vs5g9qiqyadvdxib0qiw4-vm-test-ubuntu_26_04.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy