this derivation will be built:
  /nix/store/5a20488la50igqna9wrczw2qj7bav1qd-ghq-sync.drv
building '/nix/store/5a20488la50igqna9wrczw2qj7bav1qd-ghq-sync.drv' on 'grpc://[fddb:4344:343b:14b9:399:9324:19d9:3451]:50051?ca-cert=/run/nix-grpc-store/ca.crt&connect-timeout=5'
5a20488la50igqna9wrczw2qj7bav1qd-ghq-sync.drv: stibnite: not scheduled here: 5a20488la50igqna9wrczw2qj7bav1qd-ghq-sync.drv, asking the scheduler again
5a20488la50igqna9wrczw2qj7bav1qd-ghq-sync.drv: stibnite: not scheduled here: 5a20488la50igqna9wrczw2qj7bav1qd-ghq-sync.drv, asking the scheduler again
building '/nix/store/5a20488la50igqna9wrczw2qj7bav1qd-ghq-sync.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
ghq-sync> stibnite: building 5a20488la50igqna9wrczw2qj7bav1qd-ghq-sync.drv
ghq-sync> structuredAttrs is enabled
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy

upload niks3: ok