these 2 paths will be fetched (0.0 KiB download, 5.2 MiB unpacked):
  /nix/store/kpbx11lxrnhk8fng3ykppcqyqr3lplrw-clan-pytest-without-core
  /nix/store/vjjxjmwqfdl9a643ihsrqi3ndh8y740x-clan-runtime

post-build step Upload to niks3: ok
time=2026-08-16T00:05:04.904Z level=INFO msg="Uploading 0 paths to niks3.clan.lol (5 already cached)"
time=2026-08-16T00:05:10.418Z 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/3mgq3p6z61hc2127yzsjmzb2dh1wsd0i-clan-runtime.drv?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000009%2F20260816%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260816T000503Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=dd5d84eb56c6335674e22201fc073a316414b9aa20f2a610698b9c7c795cfad0"
time=2026-08-16T00:05:19.208Z level=INFO msg="Upload complete. (15.45s)"