these 4 derivations will be built:
  /nix/store/220rk3sbaxvn2y6bwp1551v92snh92w2-ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/9pyx5zdldcdc6m8vnazk50q7yfhfrs2v-run-vm-vm.drv
  /nix/store/yravz8arylczyk0d974qnm45dcmp2p14-driver-configuration.json.drv
  /nix/store/c2vh3iv633rnmayj1n5nkxs29n2n3x1d-test-driver.drv
building '/nix/store/220rk3sbaxvn2y6bwp1551v92snh92w2-ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv'
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   0.0] Examining the guest ...
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.1] Setting a random seed
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> virt-customize: warning: random seed could not be set for this type of 
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> guest
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.2] Setting the machine ID in /etc/machine-id
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.2] Copying: backdoor.service to /etc/systemd/system
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.2] Copying: mount-store.service to /etc/systemd/system
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.2] Copying: resizeguest.service to /etc/systemd/system
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.2] Running: /nix/store/79sj99idfnjraik226s1k4ixd2693qsd-run-script
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.6] SELinux relabelling
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.7] Finishing off
building '/nix/store/9pyx5zdldcdc6m8vnazk50q7yfhfrs2v-run-vm-vm.drv'
run-vm-vm> structuredAttrs is enabled
building '/nix/store/yravz8arylczyk0d974qnm45dcmp2p14-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/c2vh3iv633rnmayj1n5nkxs29n2n3x1d-test-driver.drv'
test-driver> structuredAttrs is enabled

upload niks3: ok