these 8 derivations will be built:
  /nix/store/67d28p6dw7q09r1zcdvidhycl5bknb6d-libguestfs-1.56.2.drv
  /nix/store/wfidfq5g708yixyc6cikzrlxf0v0kpmy-guestfs-tools-1.52.3.drv
  /nix/store/6lyv0qyqxffwjryg82bv8aagnll8qfl8-debian-13-generic-amd64-daily-20260913-2600.qcow2-nix-vm-test.qcow2.drv
  /nix/store/1xdjd50n3mxlfdb3ybab70iijf71jksk-run-vm-vm.drv
  /nix/store/42hjkr1k7laizlhbvslj8sf4hd9zn7hd-ssh-keys.drv
  /nix/store/na958na33i87r9zi7jbncjvcpmznn77q-test-script.drv
  /nix/store/zgmp1ijlgn6sjlr58jnv0k8m5bakavmy-driver-configuration.json.drv
  /nix/store/ggkrgr1bv7laxv65qbibpv5smfqcj44v-test-driver.drv
building '/nix/store/42hjkr1k7laizlhbvslj8sf4hd9zn7hd-ssh-keys.drv'
ssh-keys> Generating public/private ed25519 key pair.
ssh-keys> Your identification has been saved in /nix/store/3pifga8w353h3vm79a6jjn33z259n7ms-ssh-keys/id_ed25519
ssh-keys> Your public key has been saved in /nix/store/3pifga8w353h3vm79a6jjn33z259n7ms-ssh-keys/id_ed25519.pub
ssh-keys> The key fingerprint is:
ssh-keys> SHA256:sNdagwRtpyPFR8bDBvsYEhCCnvJ++4/pBifvdv2NX8E test@nix-vm-test
ssh-keys> The key's randomart image is:
ssh-keys> +--[ED25519 256]--+
ssh-keys> | .. oooo.=o      |
ssh-keys> |.  .   o=oB      |
ssh-keys> |. .   oo+= .     |
ssh-keys> |.o    .=o*    .  |
ssh-keys> |..    ..S.=    E |
ssh-keys> |  . o .. o .    .|
ssh-keys> | .   =  ..      .|
ssh-keys> |  . . +o. .  o . |
ssh-keys> |   ..B*o.  .o.o  |
ssh-keys> +----[SHA256]-----+
building '/nix/store/na958na33i87r9zi7jbncjvcpmznn77q-test-script.drv'
building '/nix/store/zgmp1ijlgn6sjlr58jnv0k8m5bakavmy-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/ggkrgr1bv7laxv65qbibpv5smfqcj44v-test-driver.drv'

upload niks3: ok