these 4 derivations will be built:
  /nix/store/mw63k4a74grx44bh13i5g0ll2z6s8i74-home-manager-files.drv
  /nix/store/f1jjdh53x86d3x6irhcljmmbbczrl4vs-hm-putter.json.drv
  /nix/store/hfqfinzzgmsjq3l38cw0avv9abj9qd1h-home-manager-agents.drv
  /nix/store/gi416ps5hha6g7mbvkjn0817nb6ka2d8-home-manager-generation.drv
building '/nix/store/hfqfinzzgmsjq3l38cw0avv9abj9qd1h-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/hfqfinzzgmsjq3l38cw0avv9abj9qd1h-home-manager-agents.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
home-manager-agents> stibnite: building hfqfinzzgmsjq3l38cw0avv9abj9qd1h-home-manager-agents.drv
building '/nix/store/mw63k4a74grx44bh13i5g0ll2z6s8i74-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/mw63k4a74grx44bh13i5g0ll2z6s8i74-home-manager-files.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
home-manager-files> stibnite: building mw63k4a74grx44bh13i5g0ll2z6s8i74-home-manager-files.drv
building '/nix/store/f1jjdh53x86d3x6irhcljmmbbczrl4vs-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/f1jjdh53x86d3x6irhcljmmbbczrl4vs-hm-putter.json.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
hm-putter.json> stibnite: building f1jjdh53x86d3x6irhcljmmbbczrl4vs-hm-putter.json.drv
hm-putter.json> structuredAttrs is enabled
building '/nix/store/gi416ps5hha6g7mbvkjn0817nb6ka2d8-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/gi416ps5hha6g7mbvkjn0817nb6ka2d8-home-manager-generation.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
home-manager-generation> stibnite: building gi416ps5hha6g7mbvkjn0817nb6ka2d8-home-manager-generation.drv

upload niks3: ok