these 4 derivations will be built:
  /nix/store/9dnsh83k48j4k6114v1n2rxjz3xzhx33-pi-agent-environment-smoke-models.json.drv
  /nix/store/phfqvifs8mb9v5w6am3sbg66aqpvrbjx-pi-agent-environment-smoke-settings.json.drv
  /nix/store/qrnd61d5djdcgpp19pz42cws4562zggk-pi-agent-environment-smoke-driver.py.drv
  /nix/store/smc52k04cfnapbfwzrqpg93lylpm4m1j-pi-agent-environment-smoke.drv
building '/nix/store/qrnd61d5djdcgpp19pz42cws4562zggk-pi-agent-environment-smoke-driver.py.drv' on 'ssh-ng://nixbuild@stibnite-builder'
building '/nix/store/9dnsh83k48j4k6114v1n2rxjz3xzhx33-pi-agent-environment-smoke-models.json.drv' on 'ssh-ng://nixbuild@stibnite-builder'
building '/nix/store/phfqvifs8mb9v5w6am3sbg66aqpvrbjx-pi-agent-environment-smoke-settings.json.drv' on 'ssh-ng://nixbuild@stibnite-builder'
building '/nix/store/smc52k04cfnapbfwzrqpg93lylpm4m1j-pi-agent-environment-smoke.drv' on 'ssh-ng://nixbuild@stibnite-builder'

upload niks3: ok