these 7 derivations will be built:
  /nix/store/1n29hbrxd00nzassx6zqi1jrvslswfvh-closure-info.drv
  /nix/store/4myx1j9rk7fiwq5sb4ib3q7w3jsvhlyc-mount-store.service.drv
  /nix/store/iw70864ifiydxgf97l3grc0f6rmz3f6d-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/ayq345j7p8ppyjvimffg3iq4bf30vx8m-run-vm-vm.drv
  /nix/store/s5c7azvc8h43s3g8k4si4fsh9hl6gdpy-test-script.drv
  /nix/store/39pc0wjsgyj8l3ynz39nj5ni6ilr1lsj-driver-configuration.json.drv
  /nix/store/idw7r7hqa1sdlwmyn036pan9scdsqy0i-test-driver.drv
building '/nix/store/s5c7azvc8h43s3g8k4si4fsh9hl6gdpy-test-script.drv'
test-script> structuredAttrs is enabled
building '/nix/store/1n29hbrxd00nzassx6zqi1jrvslswfvh-closure-info.drv'
closure-info> structuredAttrs is enabled
building '/nix/store/4myx1j9rk7fiwq5sb4ib3q7w3jsvhlyc-mount-store.service.drv'
mount-store.service> structuredAttrs is enabled
building '/nix/store/iw70864ifiydxgf97l3grc0f6rmz3f6d-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv'
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   0.0] Examining the guest ...
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   9.2] Setting a random seed
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> virt-customize: warning: random seed could not be set for this type of 
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> guest
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   9.2] Setting the machine ID in /etc/machine-id
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   9.3] Copying: backdoor.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   9.3] Copying: mount-store.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   9.3] Copying: resizeguest.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   9.3] Running: /nix/store/79sj99idfnjraik226s1k4ixd2693qsd-run-script
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   9.8] SELinux relabelling
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [  10.0] Finishing off
building '/nix/store/ayq345j7p8ppyjvimffg3iq4bf30vx8m-run-vm-vm.drv'
run-vm-vm> structuredAttrs is enabled
building '/nix/store/39pc0wjsgyj8l3ynz39nj5ni6ilr1lsj-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/idw7r7hqa1sdlwmyn036pan9scdsqy0i-test-driver.drv'
test-driver> structuredAttrs is enabled

upload niks3: ok