this derivation will be built:
  /nix/store/5h858ahxiw5yv8wbjc09nd89gzf1x8k4-treefmt-check.drv
building '/nix/store/5h858ahxiw5yv8wbjc09nd89gzf1x8k4-treefmt-check.drv'
treefmt-check> traversed 450 files
treefmt-check> emitted 315 files for processing
treefmt-check> formatted 315 files (0 changed) in 1.928s

post-build step Upload to niks3: ok
time=2026-08-21T12:09:35.121Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-21T12:09:35.686Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-21T12:09:36.112Z level=INFO msg="Upload complete. (1.055s)"