this derivation will be built:
  /nix/store/mx2lh9m1wk05jl67i15xn7xpz5j9y44z-treefmt-check.drv
building '/nix/store/mx2lh9m1wk05jl67i15xn7xpz5j9y44z-treefmt-check.drv'
treefmt-check> traversed 428 files
treefmt-check> emitted 306 files for processing
treefmt-check> formatted 306 files (0 changed) in 2.545s

post-build step Upload to niks3: ok
time=2026-08-12T18:38:44.862Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-12T18:38:45.214Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-12T18:38:45.518Z level=INFO msg="Upload complete. (721ms)"