this derivation will be built:
  /nix/store/sm7qyjm25rc3hhq1ckg5q15v2kdrla5d-treefmt-check.drv
building '/nix/store/sm7qyjm25rc3hhq1ckg5q15v2kdrla5d-treefmt-check.drv'
treefmt-check> traversed 439 files
treefmt-check> emitted 305 files for processing
treefmt-check> formatted 305 files (0 changed) in 2.692s

post-build step Upload to niks3: ok
time=2026-08-17T21:18:01.630Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-17T21:18:01.991Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-17T21:18:02.325Z level=INFO msg="Upload complete. (780ms)"