this derivation will be built:
  /nix/store/kicsghdn3bjyc2yjmxvmhk44qvh0rxd4-treefmt-check.drv
building '/nix/store/kicsghdn3bjyc2yjmxvmhk44qvh0rxd4-treefmt-check.drv'
treefmt-check> traversed 397 files
treefmt-check> emitted 191 files for processing
treefmt-check> formatted 191 files (0 changed) in 1.08s

post-build step Upload to niks3: ok
time=2026-09-18T09:36:54.769Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-18T09:36:55.389Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-18T09:36:56.203Z level=INFO msg="Upload complete. (1.459s)"