these 2 derivations will be built:
  /nix/store/3wbllxv793fjv9zdlaj6rzgd6rq6czg0-mnemopi-memory-validate.drv
  /nix/store/w815k4rp9iy3wj9kbw1lzy93frvwck9x-apps-build.drv
this path will be fetched (0.0 KiB download, 255.0 MiB unpacked):
  /nix/store/aqz23w9hdfi5bn67722lg8f6ph4iqhl2-omp-18.12.5
building '/nix/store/3wbllxv793fjv9zdlaj6rzgd6rq6czg0-mnemopi-memory-validate.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/3wbllxv793fjv9zdlaj6rzgd6rq6czg0-mnemopi-memory-validate.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
mnemopi-memory-validate> stibnite: building 3wbllxv793fjv9zdlaj6rzgd6rq6czg0-mnemopi-memory-validate.drv
mnemopi-memory-validate> structuredAttrs is enabled
building '/nix/store/w815k4rp9iy3wj9kbw1lzy93frvwck9x-apps-build.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/w815k4rp9iy3wj9kbw1lzy93frvwck9x-apps-build.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
apps-build> stibnite: building w815k4rp9iy3wj9kbw1lzy93frvwck9x-apps-build.drv

upload niks3: ok