this derivation will be built:
  /nix/store/wwh0p547qmdg3by0vgcvv65yin9l6i60-treefmt-check.drv
building '/nix/store/wwh0p547qmdg3by0vgcvv65yin9l6i60-treefmt-check.drv'
treefmt-check> traversed 440 files
treefmt-check> emitted 306 files for processing
treefmt-check> formatted 306 files (0 changed) in 2.006s

post-build step Upload to niks3: ok
time=2026-08-20T05:07:14.850Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-20T05:07:15.155Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-20T05:07:15.608Z level=INFO msg="Upload complete. (825ms)"