these 4 derivations will be built:
  /nix/store/6dxjbj3w9p7vg0knzzvs4bx1ysxi79c3-home-manager-agents.drv
  /nix/store/75wi533v3b9rlk9301svx393dpb0nd6v-home-manager-files.drv
  /nix/store/nbgr93ky37l9va35iq9ayl52gnpk1rrl-hm-putter.json.drv
  /nix/store/z15hpw2dk8dlhrgbiam7wal2v38v5vg8-home-manager-generation.drv
building '/nix/store/6dxjbj3w9p7vg0knzzvs4bx1ysxi79c3-home-manager-agents.drv' on 'grpc://[fddb:4344:343b:14b9:399:9324:19d9:3451]:50051?ca-cert=/run/nix-grpc-store/ca.crt&connect-timeout=5'
building '/nix/store/75wi533v3b9rlk9301svx393dpb0nd6v-home-manager-files.drv' on 'grpc://[fddb:4344:343b:14b9:399:9324:19d9:3451]:50051?ca-cert=/run/nix-grpc-store/ca.crt&connect-timeout=5'
building '/nix/store/6dxjbj3w9p7vg0knzzvs4bx1ysxi79c3-home-manager-agents.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
home-manager-agents> stibnite: building 6dxjbj3w9p7vg0knzzvs4bx1ysxi79c3-home-manager-agents.drv
building '/nix/store/75wi533v3b9rlk9301svx393dpb0nd6v-home-manager-files.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
home-manager-files> stibnite: building 75wi533v3b9rlk9301svx393dpb0nd6v-home-manager-files.drv
building '/nix/store/nbgr93ky37l9va35iq9ayl52gnpk1rrl-hm-putter.json.drv' on 'grpc://[fddb:4344:343b:14b9:399:9324:19d9:3451]:50051?ca-cert=/run/nix-grpc-store/ca.crt&connect-timeout=5'
building '/nix/store/nbgr93ky37l9va35iq9ayl52gnpk1rrl-hm-putter.json.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
hm-putter.json> stibnite: building nbgr93ky37l9va35iq9ayl52gnpk1rrl-hm-putter.json.drv
hm-putter.json> structuredAttrs is enabled
building '/nix/store/z15hpw2dk8dlhrgbiam7wal2v38v5vg8-home-manager-generation.drv' on 'grpc://[fddb:4344:343b:14b9:399:9324:19d9:3451]:50051?ca-cert=/run/nix-grpc-store/ca.crt&connect-timeout=5'
building '/nix/store/z15hpw2dk8dlhrgbiam7wal2v38v5vg8-home-manager-generation.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
home-manager-generation> stibnite: building z15hpw2dk8dlhrgbiam7wal2v38v5vg8-home-manager-generation.drv

upload niks3: ok