this derivation will be built:
  /nix/store/a4ayp9wvym5i41g7qwbqyh8pl4xr9yhz-treefmt-check.drv
building '/nix/store/a4ayp9wvym5i41g7qwbqyh8pl4xr9yhz-treefmt-check.drv'
treefmt-check> traversed 437 files
treefmt-check> emitted 312 files for processing
treefmt-check> formatted 312 files (0 changed) in 13.037s

post-build step Upload to niks3: ok
time=2026-08-13T18:49:21.523Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-13T18:49:21.954Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-13T18:49:22.335Z level=INFO msg="Upload complete. (874ms)"