this derivation will be built:
  /nix/store/7f30yxk0nh0m4c6ydafky0dajq4qvn1s-treefmt-check.drv
building '/nix/store/7f30yxk0nh0m4c6ydafky0dajq4qvn1s-treefmt-check.drv'
treefmt-check> traversed 427 files
treefmt-check> emitted 299 files for processing
treefmt-check> formatted 299 files (0 changed) in 2.405s

post-build step Upload to niks3: ok
time=2026-08-14T18:22:49.325Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-14T18:22:49.684Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-14T18:22:50.006Z level=INFO msg="Upload complete. (749ms)"