this derivation will be built:
  /nix/store/j0rm9rlcvlx07pjcqrix8v12myhrcjg7-run-sigma-vm-on-x86_64-linux.drv
building '/nix/store/j0rm9rlcvlx07pjcqrix8v12myhrcjg7-run-sigma-vm-on-x86_64-linux.drv' on 'ssh-ng://builder@build-x86-01.clan.lol'
building '/nix/store/j0rm9rlcvlx07pjcqrix8v12myhrcjg7-run-sigma-vm-on-x86_64-linux.drv'

upload niks3: ok