these 4 derivations will be built:
  /nix/store/bxbar6p9zm1mycw1a9h2kmrz5nc54p5j-ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2.drv
  /nix/store/l622dxkmcrb3rzw51qca0s4jfn529zvl-run-vm-vm.drv
  /nix/store/wf2iz1da05lgn4gll1z9n4qmjzb0r6w6-driver-configuration.json.drv
  /nix/store/g6yfcka34qqnjdb4lw6587z4h7pikyqd-vm-test-ubuntu_26_04.drv