this derivation will be built:
  /nix/store/iqw187dwd556q6a5a0skdib9pz9gqdbc-treefmt-check.drv
building '/nix/store/iqw187dwd556q6a5a0skdib9pz9gqdbc-treefmt-check.drv'
treefmt-check> traversed 421 files
treefmt-check> emitted 210 files for processing
treefmt-check> formatted 210 files (0 changed) in 1.163s

post-build step Upload to niks3: ok
time=2026-09-18T15:36:10.647Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-18T15:36:11.036Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-18T15:36:11.117Z level=INFO msg="Upload complete. (489ms)"