this derivation will be built:
  /nix/store/spb6a2s2n17pdg81vhhd1a4bpg1da1kp-treefmt-check.drv
[fddb:4344:343b:14b9:399:9324:19d9:3451]:50051: failed to connect to all addresses; last error: UNKNOWN: ipv6:%5Bfddb:4344:343b:14b9:399:9324:19d9:3451%5D:50051: connection attempt timed out before receiving SETTINGS frame, retrying
[fddb:4344:343b:14b9:399:9324:19d9:3451]:50051: failed to connect to all addresses; last error: UNKNOWN: ipv6:%5Bfddb:4344:343b:14b9:399:9324:19d9:3451%5D:50051: connection attempt timed out before receiving SETTINGS frame, retrying
building '/nix/store/spb6a2s2n17pdg81vhhd1a4bpg1da1kp-treefmt-check.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/spb6a2s2n17pdg81vhhd1a4bpg1da1kp-treefmt-check.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
treefmt-check> stibnite: building spb6a2s2n17pdg81vhhd1a4bpg1da1kp-treefmt-check.drv
treefmt-check> treefmt v2.6.0traversed 2024 files
treefmt-check> emitted 549 files for processing
treefmt-check> formatted 549 files (0 changed) in 2.529s

upload niks3: ok