this derivation will be built:
  /nix/store/mvlszyf9lg96ar21lszd1czi2ja63a8x-treefmt-check.drv
building '/nix/store/mvlszyf9lg96ar21lszd1czi2ja63a8x-treefmt-check.drv'
treefmt-check> traversed 456 files
treefmt-check> emitted 318 files for processing
treefmt-check> formatted 318 files (0 changed) in 18.319s

post-build step Upload to niks3: ok
time=2026-08-29T12:11:59.513Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-29T12:11:59.945Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-29T12:12:00.324Z level=INFO msg="Upload complete. (891ms)"