this derivation will be built:
  /nix/store/09alkw9d387skbg8zsaqr6qr9av5wsj7-treefmt-check.drv
building '/nix/store/09alkw9d387skbg8zsaqr6qr9av5wsj7-treefmt-check.drv'
treefmt-check> traversed 439 files
treefmt-check> emitted 305 files for processing
treefmt-check> formatted 305 files (0 changed) in 7.255s

post-build step Upload to niks3: ok
time=2026-08-17T21:24:12.345Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-17T21:24:12.683Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-17T21:24:13.137Z level=INFO msg="Upload complete. (849ms)"