these 4 derivations will be built:
  /nix/store/8nyr6klpfmy5ygyr4dc7zcvn200vlrv8-home-manager-files.drv
  /nix/store/s6yxlhi0rc780g73yyqd92lmi6ljrlcd-home-manager-agents.drv
  /nix/store/skxbsry4a92d8m9gw39fp774bir41xpw-hm-putter.json.drv
  /nix/store/mxdb8wby78r96116vsjnwdcvk4460jp7-home-manager-generation.drv
building '/nix/store/s6yxlhi0rc780g73yyqd92lmi6ljrlcd-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/8nyr6klpfmy5ygyr4dc7zcvn200vlrv8-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/s6yxlhi0rc780g73yyqd92lmi6ljrlcd-home-manager-agents.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
home-manager-agents> stibnite: building s6yxlhi0rc780g73yyqd92lmi6ljrlcd-home-manager-agents.drv
building '/nix/store/8nyr6klpfmy5ygyr4dc7zcvn200vlrv8-home-manager-files.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
home-manager-files> stibnite: building 8nyr6klpfmy5ygyr4dc7zcvn200vlrv8-home-manager-files.drv
building '/nix/store/skxbsry4a92d8m9gw39fp774bir41xpw-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/skxbsry4a92d8m9gw39fp774bir41xpw-hm-putter.json.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
hm-putter.json> stibnite: building skxbsry4a92d8m9gw39fp774bir41xpw-hm-putter.json.drv
hm-putter.json> structuredAttrs is enabled
building '/nix/store/mxdb8wby78r96116vsjnwdcvk4460jp7-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/mxdb8wby78r96116vsjnwdcvk4460jp7-home-manager-generation.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
home-manager-generation> stibnite: building mxdb8wby78r96116vsjnwdcvk4460jp7-home-manager-generation.drv

upload niks3: ok