this derivation will be built:
  /nix/store/8fw6pwzgvbnscpa1g8lg7gk5825qvak1-treefmt-check.drv
building '/nix/store/8fw6pwzgvbnscpa1g8lg7gk5825qvak1-treefmt-check.drv'
treefmt-check> traversed 476 files
treefmt-check> emitted 248 files for processing
treefmt-check> formatted 248 files (0 changed) in 1.236s

post-build step Upload to niks3: ok
time=2026-09-18T20:54:14.186Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-18T20:54:14.509Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-18T20:54:14.746Z level=INFO msg="Upload complete. (580ms)"