this derivation will be built:
  /nix/store/q9kwa435zq0az4zi39ky50vfqbm6i39v-omnigent-worker-login.drv
building '/nix/store/q9kwa435zq0az4zi39ky50vfqbm6i39v-omnigent-worker-login.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/q9kwa435zq0az4zi39ky50vfqbm6i39v-omnigent-worker-login.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
omnigent-worker-login> stibnite: building q9kwa435zq0az4zi39ky50vfqbm6i39v-omnigent-worker-login.drv
omnigent-worker-login> structuredAttrs is enabled

upload niks3: ok