this derivation will be built:
  /nix/store/v30kaqgaac0n1y18r8mna7nsi8yk0j4q-opentofu-1.12.6.drv
building '/nix/store/v30kaqgaac0n1y18r8mna7nsi8yk0j4q-opentofu-1.12.6.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/v30kaqgaac0n1y18r8mna7nsi8yk0j4q-opentofu-1.12.6.drv'

upload niks3: ok