these 5 derivations will be built:
  /nix/store/mnrd74g6p2785s5w2cjnfygmja9phnmv-test-script.drv
  /nix/store/s147xh9mznlsv1psc18g7gcfv9ppa83y-ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/qyrwfj8sd3jx1bbmnvzv7223xf8z6kfs-run-vm-vm.drv
  /nix/store/dqrm15kkxg7al9r98q9pgzzlcm223zmf-driver-configuration.json.drv
  /nix/store/qhhxplljzcwjj5qbhkg5sc4d691chmw8-vm-test-ubuntu_24_04.drv
building '/nix/store/mnrd74g6p2785s5w2cjnfygmja9phnmv-test-script.drv'
building '/nix/store/s147xh9mznlsv1psc18g7gcfv9ppa83y-ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv'
test-script> tribuchet: building on jamie
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> tribuchet: building on jamie
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> Image resized.
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> [   4.2] 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 guest
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.2] Setting the machine ID in /etc/machine-id
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.2] Copying: backdoor.service to /etc/systemd/system
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.3] Copying: mount-store.service to /etc/systemd/system
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.3] Copying: resizeguest.service to /etc/systemd/system
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.4] Running: /nix/store/z6cvqmh7bfca91qdq744n586rkd7ij5a-run-script
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.6] SELinux relabelling
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.7] Finishing off
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> Error: output unpacker died
error: Cannot build '/nix/store/s147xh9mznlsv1psc18g7gcfv9ppa83y-ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/22njadqakjq424zibx88ahxq6y543xn7-ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2
       Last 13 log lines:
       > tribuchet: building on jamie
       > Image resized.
       > [   0.0] Examining the guest ...
       > [   4.2] Setting a random seed
       > virt-customize: warning: random seed could not be set for this type of guest
       > [   4.2] Setting the machine ID in /etc/machine-id
       > [   4.2] Copying: backdoor.service to /etc/systemd/system
       > [   4.3] Copying: mount-store.service to /etc/systemd/system
       > [   4.3] Copying: resizeguest.service to /etc/systemd/system
       > [   4.4] Running: /nix/store/z6cvqmh7bfca91qdq744n586rkd7ij5a-run-script
       > [   4.6] SELinux relabelling
       > [   4.7] Finishing off
       > Error: output unpacker died
       For full logs, run:
         nix log /nix/store/s147xh9mznlsv1psc18g7gcfv9ppa83y-ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
error: Cannot build '/nix/store/qyrwfj8sd3jx1bbmnvzv7223xf8z6kfs-run-vm-vm.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/5a4437bd0sv9351zjixilm4jdb47snaf-run-vm-vm
error: Cannot build '/nix/store/dqrm15kkxg7al9r98q9pgzzlcm223zmf-driver-configuration.json.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/pvzmivhnyd2vs6l7rmpjqikwp7sxrbv8-driver-configuration.json
error: Cannot build '/nix/store/qhhxplljzcwjj5qbhkg5sc4d691chmw8-vm-test-ubuntu_24_04.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/5yyqafrn758l16r6xxg27h6r1bqrg01k-vm-test-ubuntu_24_04