this derivation will be built:
  /nix/store/cpj9f4i3l3s0zpf3s41j1l5biih5c0lx-treefmt-check.drv
building '/nix/store/cpj9f4i3l3s0zpf3s41j1l5biih5c0lx-treefmt-check.drv'
treefmt-check> traversed 449 files
treefmt-check> emitted 313 files for processing
treefmt-check> formatted 313 files (0 changed) in 16.918s

post-build step Upload to niks3: ok
time=2026-08-25T17:08:18.430Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-25T17:08:18.864Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-25T17:08:19.320Z level=INFO msg="Upload complete. (975ms)"