this derivation will be built:
  /nix/store/q8cy09alxj56a9iki3yvdj6pnd8x8hp3-treefmt-check.drv
building '/nix/store/q8cy09alxj56a9iki3yvdj6pnd8x8hp3-treefmt-check.drv'
treefmt-check> traversed 447 files
treefmt-check> emitted 311 files for processing
treefmt-check> formatted 311 files (0 changed) in 17.354s

post-build step Upload to niks3: ok
time=2026-08-22T12:26:45.680Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-22T12:26:46.218Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-22T12:26:46.608Z level=INFO msg="Upload complete. (1.021s)"