this derivation will be built:
  /nix/store/zzgg1420llmvw2xik74fsg8zh5s1dpm4-treefmt-check.drv
building '/nix/store/zzgg1420llmvw2xik74fsg8zh5s1dpm4-treefmt-check.drv'
treefmt-check> traversed 393 files
treefmt-check> emitted 191 files for processing
treefmt-check> formatted 191 files (0 changed) in 1.024s

post-build step Upload to niks3: ok
time=2026-09-18T09:35:26.799Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-18T09:35:27.109Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-18T09:35:27.429Z level=INFO msg="Upload complete. (653ms)"