this derivation will be built:
  /nix/store/f4slyq38sqr2mhd1s9wynamqw8v95m60-treefmt-check.drv
building '/nix/store/f4slyq38sqr2mhd1s9wynamqw8v95m60-treefmt-check.drv'
treefmt-check> traversed 338 files
treefmt-check> emitted 162 files for processing
treefmt-check> formatted 162 files (0 changed) in 915ms

post-build step Upload to niks3: ok
time=2026-09-17T12:05:13.556Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-17T12:05:13.847Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-17T12:05:14.005Z level=INFO msg="Upload complete. (472ms)"