this derivation will be built:
  /nix/store/lkyq4f3bqdrvkh7w9zwc4c371ijhmr4j-treefmt-check.drv
building '/nix/store/lkyq4f3bqdrvkh7w9zwc4c371ijhmr4j-treefmt-check.drv'
treefmt-check> traversed 432 files
treefmt-check> emitted 309 files for processing
treefmt-check> formatted 309 files (0 changed) in 12.516s

post-build step Upload to niks3: ok
time=2026-08-12T21:19:15.361Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-12T21:19:15.702Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-12T21:19:15.968Z level=INFO msg="Upload complete. (665ms)"