these 5 derivations will be built:
  /nix/store/0xzb2qn1n2v5c0d54p4y2pagz59pin35-ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2.drv
  /nix/store/bc41qbdbdv6da52wx4bnybx4p4ld6c7n-test-script.drv
  /nix/store/bl0rx8kb9irhp21fyi4jjd11bq4wngri-run-vm-vm.drv
  /nix/store/gnqpi3577i88hyn5kcwag22lx4jz2zh6-driver-configuration.json.drv
  /nix/store/kn0451rdzf4qy7m0yn9c61jnss60n2l8-test-driver.drv
building '/nix/store/bc41qbdbdv6da52wx4bnybx4p4ld6c7n-test-script.drv'
test-script> structuredAttrs is enabled
building '/nix/store/0xzb2qn1n2v5c0d54p4y2pagz59pin35-ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2.drv'
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> [   0.0] Examining the guest ...
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> [  10.5] Setting a random seed
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> virt-customize: warning: random seed could not be set for this type of 
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> guest
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> [  10.6] Setting the machine ID in /etc/machine-id
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> [  10.6] Copying: backdoor.service to /etc/systemd/system
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> [  10.6] Copying: mount-store.service to /etc/systemd/system
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> [  10.6] Copying: resizeguest.service to /etc/systemd/system
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> [  10.6] Running: /nix/store/79sj99idfnjraik226s1k4ixd2693qsd-run-script
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> [  11.3] SELinux relabelling
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> [  11.6] Finishing off
building '/nix/store/bl0rx8kb9irhp21fyi4jjd11bq4wngri-run-vm-vm.drv'
run-vm-vm> structuredAttrs is enabled
building '/nix/store/gnqpi3577i88hyn5kcwag22lx4jz2zh6-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/kn0451rdzf4qy7m0yn9c61jnss60n2l8-test-driver.drv'
test-driver> structuredAttrs is enabled

upload niks3: ok