this derivation will be built:
  /nix/store/nrf5dcmjn0lyss82rgsl75jbw966gank-vm-test-run-from-nixos-separated-phases.drv
error: Cannot build '/nix/store/nrf5dcmjn0lyss82rgsl75jbw966gank-vm-test-run-from-nixos-separated-phases.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/8cjin0lqjqk50x6gb03ki1h3hcs0cv3c-vm-test-run-from-nixos-separated-phases
       Last 25 log lines:
       > installer # copying path '/nix/store/m4frykj8mqcxvl1lkq7xrsnzpbzgqp52-disko' to 'ssh://root@installed'...
       > installer # error: sized: unexpected end-of-file
       > installer # error: unexpected end-of-file
       > installer # + rm -rf /tmp/tmp.azuLHT8xYq
       > installer: output:
       > !!! Test "Disko Phase" failed with error: "command `
       >     nixos-anywhere       -i /root/.ssh/install_key       --debug       --phases disko       --store-paths /etc/nixos-anywhere/disko /etc/nixos-anywhere/system-to-install       installed >&2
       > ` failed (exit code 1)"
       > !!! Traceback (most recent call last):
       > !!!   File "<string>", line 15, in <module>
       > !!!     output = installer.succeed("""
       > !!! 
       > !!! RequestedAssertionFailed: command `
       > !!!     nixos-anywhere       -i /root/.ssh/install_key       --debug       --phases disko       --store-paths /etc/nixos-anywhere/disko /etc/nixos-anywhere/system-to-install       installed >&2
       > !!! ` failed (exit code 1)
       > cleanup
       > kill QemuMachine (pid 14)
       > installed # [root@nixos-installer:~]# qemu-system-x86_64: terminating on signal 15 from pid 6 (/nix/store/l9k0anq0z7zz81zcwy035jfwap9ga6rl-python3-3.13.13/bin/python3.13)
       > kill QemuMachine (pid 15)
       > installer # qemu-system-x86_64: terminating on signal 15 from pid 6 (/nix/store/l9k0anq0z7zz81zcwy035jfwap9ga6rl-python3-3.13.13/bin/python3.13)
       > (finished: cleanup, in 0.58 seconds)
       > additionally exposed symbols:
       >     installed, installer,
       >     vlan1,
       >     start_all, test_script, machines, machines_qemu, machines_nspawn, vlans, driver, log, os, create_machine, subtest, run_tests, join_all, retry, serial_stdout_off, serial_stdout_on, polling_condition, BaseMachine, QemuMachine, NspawnMachine, t, debug, dump_machine_ssh
       For full logs, run:
         nix log /nix/store/nrf5dcmjn0lyss82rgsl75jbw966gank-vm-test-run-from-nixos-separated-phases.drv