these 2 derivations will be built:
  /nix/store/jf7h0w3065rajqbnzd3wdf1mij4v43k4-pre-commit-config.json.drv
  /nix/store/rnkhm9s7kmsw69zja4v9x64dvjkgfl5d-nix-shell.drv
building '/nix/store/jf7h0w3065rajqbnzd3wdf1mij4v43k4-pre-commit-config.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/jf7h0w3065rajqbnzd3wdf1mij4v43k4-pre-commit-config.json.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
pre-commit-config.json> stibnite: building jf7h0w3065rajqbnzd3wdf1mij4v43k4-pre-commit-config.json.drv
building '/nix/store/rnkhm9s7kmsw69zja4v9x64dvjkgfl5d-nix-shell.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/rnkhm9s7kmsw69zja4v9x64dvjkgfl5d-nix-shell.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
nix-shell> stibnite: building rnkhm9s7kmsw69zja4v9x64dvjkgfl5d-nix-shell.drv
nix-shell> Running phase: buildPhase
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy

upload niks3: ok