this derivation will be built:
  /nix/store/hy6dr5qbghvsklhd47lpbjj8qflxj6p5-treefmt-check.drv
building '/nix/store/hy6dr5qbghvsklhd47lpbjj8qflxj6p5-treefmt-check.drv'
treefmt-check> tribuchet: building on gi-build-x86-01
treefmt-check> traversed 179 files
treefmt-check> emitted 83 files for processing
treefmt-check> formatted 83 files (0 changed) in 559ms

post-build step Upload to niks3: ok
time=2026-08-15T03:20:09.754Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-08-15T03:20:10.168Z level=WARN msg="Request returned retryable status, retrying" attempt=1 max_attempts=6 backoff=100ms status=500 url="https://s3.eu-central-003.backblazeb2.com/geninf-cache/log/hy6dr5qbghvsklhd47lpbjj8qflxj6p5-treefmt-check.drv?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000002%2F20260815%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260815T032009Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=08138118c15964e88d6986c8138fa82c74ca7ed927b7b3d272b34dbdd099ac9e"
time=2026-08-15T03:20:11.252Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-15T03:20:13.411Z level=INFO msg="Upload complete. (3.686s)"