this derivation will be built:
  /nix/store/2s9k051k6c2ssl70r11dprjr1rvn0lkv-treefmt-check.drv
building '/nix/store/2s9k051k6c2ssl70r11dprjr1rvn0lkv-treefmt-check.drv'
treefmt-check> traversed 161 files
treefmt-check> emitted 80 files for processing
treefmt-check> formatted 80 files (0 changed) in 455ms

post-build step Upload to niks3: ok
time=2026-08-06T13:40:09.742Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-08-06T13:40:10.262Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-06T13:40:10.340Z level=INFO msg="Upload complete. (616ms)"