this derivation will be built:
  /nix/store/w66qx10hpgh8wabk6ckd22byk8ivg29p-treefmt-check.drv
building '/nix/store/w66qx10hpgh8wabk6ckd22byk8ivg29p-treefmt-check.drv' on 'ssh-ng://builder@build04.clan.lol'
building '/nix/store/w66qx10hpgh8wabk6ckd22byk8ivg29p-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 419 files
treefmt-check> emitted 104 files for processing
treefmt-check> formatted 104 files (0 changed) in 393ms

post-build step Upload to niks3: ok
time=2026-08-26T00:04:03.698Z level=INFO msg="Uploading 0 paths to niks3.clan.lol (1 already cached)"
time=2026-08-26T00:04:08.939Z 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/94v3r3zr9s92nn3v21f9j0akl16n9r1q.ls?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000009%2F20260826%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260826T000403Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=c611cd091d245d506e1f57db718068cc986d4c1f7c979d0009488e36f32e98bc"
time=2026-08-26T00:04:09.656Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-26T00:04:11.234Z level=INFO msg="Upload complete. (7.594s)"