this derivation will be built:
  /nix/store/jrzpdg0hkiij91s4ax6pwn2wp32d04hc-nix-shell.drv
building '/nix/store/jrzpdg0hkiij91s4ax6pwn2wp32d04hc-nix-shell.drv'
nix-shell> Running phase: buildPhase

post-build step Upload to niks3: ok
time=2026-08-03T10:03:51.778Z level=INFO msg="Uploading 1 paths to niks3.clan.lol (223 already cached)"
time=2026-08-03T10:03:51.778Z level=INFO msg="Uploading 3zvkj7xnyjbm03kdjcnn6mi1mzas6i3m-nix-shell (6.7KB)"
time=2026-08-03T10:03:52.096Z 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/log/29r6g7zvzlbwp6r9sks5d1wqy1acdngg-clan-site.drv?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003c1c6417d34cc0000000013%2F20260803%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260803T100350Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=1de24e454c565421e69dbe9d9ab7ba8dde6972e251726acc9f9c76c39fe7e33d"
time=2026-08-03T10:03:52.903Z level=INFO msg="Uploading 2 narinfos"
time=2026-08-03T10:03:53.107Z level=INFO msg="Upload complete. (2.633s)"