this derivation will be built:
  /nix/store/w08ws457gmn79vld9sqcv1hi3jk70a2m-treefmt-check.drv
building '/nix/store/w08ws457gmn79vld9sqcv1hi3jk70a2m-treefmt-check.drv' on 'ssh-ng://builder@build04.clan.lol'
building '/nix/store/w08ws457gmn79vld9sqcv1hi3jk70a2m-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 207 files
treefmt-check> emitted 110 files for processing
treefmt-check> formatted 110 files (0 changed) in 829ms

post-build step Upload to niks3: ok
time=2026-07-30T01:07:03.950Z level=INFO msg="Uploading 0 paths to niks3.clan.lol (1 already cached)"
time=2026-07-30T01:07:09.106Z 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/w08ws457gmn79vld9sqcv1hi3jk70a2m-treefmt-check.drv?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003c1c6417d34cc0000000013%2F20260730%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260730T010703Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=3e7258200830585e927358af12b4dd236ed67862208ac476122216e41277e86e"
time=2026-07-30T01:07:09.380Z level=INFO msg="Uploading 1 narinfos"
time=2026-07-30T01:07:10.002Z level=INFO msg="Upload complete. (6.102s)"