this derivation will be built:
  /nix/store/nbfnbafi0m3hq5xgk87jafn7g9a6m9zz-treefmt-check.drv
building '/nix/store/nbfnbafi0m3hq5xgk87jafn7g9a6m9zz-treefmt-check.drv'
treefmt-check> traversed 538 files
treefmt-check> emitted 295 files for processing
treefmt-check> formatted 295 files (0 changed) in 1.423s

post-build step Upload to niks3: ok
time=2026-09-23T04:20:12.544Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-23T04:20:12.986Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-23T04:20:13.206Z level=INFO msg="Upload complete. (682ms)"