this derivation will be built:
  /nix/store/rwf3m9fbrg157wmwqgsra3pp0pp54gdi-treefmt-check.drv
building '/nix/store/rwf3m9fbrg157wmwqgsra3pp0pp54gdi-treefmt-check.drv'
treefmt-check> traversed 235 files
treefmt-check> emitted 120 files for processing
treefmt-check> formatted 120 files (0 changed) in 724ms

post-build step Upload to niks3: ok
time=2026-08-26T08:11:36.614Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-08-26T08:11:36.711Z 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/rwf3m9fbrg157wmwqgsra3pp0pp54gdi-treefmt-check.drv?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000002%2F20260826%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260826T081136Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=f52f1eb836d23f9bd96559bee4d3566a5cd1fc52e041d5f38df344678a771674"
time=2026-08-26T08:11:37.229Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-26T08:11:40.099Z level=INFO msg="Upload complete. (3.531s)"