this derivation will be built:
  /nix/store/7jrkwcg1pdwz5mwz94d7fd68ax1cyjcw-treefmt-check.drv
building '/nix/store/7jrkwcg1pdwz5mwz94d7fd68ax1cyjcw-treefmt-check.drv'
treefmt-check> traversed 428 files
treefmt-check> emitted 300 files for processing
treefmt-check> formatted 300 files (0 changed) in 2.103s

post-build step Upload to niks3: ok
time=2026-08-15T21:17:49.128Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-15T21:17:49.433Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-15T21:17:49.719Z level=INFO msg="Upload complete. (748ms)"