this derivation will be built:
  /nix/store/jc4j3yb094q6mfj5l1ppsmi920jd1dsb-terraform.drv
building '/nix/store/jc4j3yb094q6mfj5l1ppsmi920jd1dsb-terraform.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/jc4j3yb094q6mfj5l1ppsmi920jd1dsb-terraform.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
terraform> stibnite: building jc4j3yb094q6mfj5l1ppsmi920jd1dsb-terraform.drv
terraform> structuredAttrs is enabled

upload niks3: ok