this derivation will be built:
  /nix/store/dr1mwsa1137y8plwi6x9cld01i9jfrp7-treefmt-check.drv
building '/nix/store/dr1mwsa1137y8plwi6x9cld01i9jfrp7-treefmt-check.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/dr1mwsa1137y8plwi6x9cld01i9jfrp7-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 505ms

post-build step Upload to niks3: ok
time=2026-08-19T15:01:05.979Z level=INFO msg="Uploading 0 paths to niks3.clan.lol (1 already cached)"
time=2026-08-19T15:01:17.329Z 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/dr1mwsa1137y8plwi6x9cld01i9jfrp7-treefmt-check.drv?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000009%2F20260819%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260819T150105Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=746b39b67b224efc1b24d8a6e025bd960a05c04dc70f20a4493d03d718175eff"
time=2026-08-19T15:01:17.619Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-19T15:01:17.906Z level=INFO msg="Upload complete. (11.977s)"