this derivation will be built:
  /nix/store/j8jdv2v45z3spbdkw7fidrg4ncjf5653-treefmt-check.drv
building '/nix/store/j8jdv2v45z3spbdkw7fidrg4ncjf5653-treefmt-check.drv'
treefmt-check> traversed 212 files
treefmt-check> emitted 110 files for processing
treefmt-check> formatted 110 files (0 changed) in 628ms

post-build step Upload to niks3: ok
time=2026-08-19T21:35:15.313Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-08-19T21:35:15.407Z 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/j8jdv2v45z3spbdkw7fidrg4ncjf5653-treefmt-check.drv?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000002%2F20260819%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260819T213515Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=5f386838df7656daf90ff1522be1add6a22472c6c3b6bcbc5a7b6c151e46aa03"
time=2026-08-19T21:35:15.782Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-19T21:35:15.855Z level=INFO msg="Upload complete. (561ms)"