this derivation will be built:
  /nix/store/gswjz93i0cc2mvw2yrhi1cwk37c5p7h3-treefmt-check.drv
building '/nix/store/gswjz93i0cc2mvw2yrhi1cwk37c5p7h3-treefmt-check.drv'
treefmt-check> traversed 447 files
treefmt-check> emitted 312 files for processing
treefmt-check> formatted 312 files (0 changed) in 22.776s

post-build step Upload to niks3: ok
time=2026-08-21T08:52:27.938Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-21T08:52:28.365Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-21T08:52:28.764Z level=INFO msg="Upload complete. (961ms)"