this derivation will be built:
  /nix/store/ppkjmi2573wqa99ac6iak5qh4gmdaxsm-job-flake-update-clan-core.drv
building '/nix/store/ppkjmi2573wqa99ac6iak5qh4gmdaxsm-job-flake-update-clan-core.drv'

post-build step Upload to niks3: ok
time=2026-08-25T05:17:02.722Z level=INFO msg="Uploading 2 paths to niks3.clan.lol (150 already cached)"
time=2026-08-25T05:17:02.722Z level=INFO msg="Uploading 0qgrqbjq8in5sqcgwawsv2f7xp2dgb1r-qdq1hvcw5vabcjwi9f5mm7qm3862kbd1-source (202.6MB)"
time=2026-08-25T05:17:02.722Z level=INFO msg="Uploading h3qaln6y4jz10cvllihkkymy1s233zx4-job-flake-update-clan-core (2.0KB)"
time=2026-08-25T05:17:02.805Z 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/clan-cache-geninf/log/ppkjmi2573wqa99ac6iak5qh4gmdaxsm-job-flake-update-clan-core.drv?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000009%2F20260825%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260825T051702Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=dc0748342d9762122e108b6cd5a0f5a731d388199125be763b41bc20883fa153"
time=2026-08-25T05:17:04.071Z level=ERROR msg="Failed to close zstd encoder" error="io: read/write on closed pipe"
time=2026-08-25T05:17:04.072Z level=INFO msg="Uploading 6 narinfos"
time=2026-08-25T05:17:05.692Z level=INFO msg="Upload complete. (3.223s)"