this derivation will be built:
  /nix/store/n8c7d9k7c44w7fiqg5rzbh6ahzyqgrw8-treefmt-check.drv
building '/nix/store/n8c7d9k7c44w7fiqg5rzbh6ahzyqgrw8-treefmt-check.drv'
treefmt-check> traversed 432 files
treefmt-check> emitted 309 files for processing
treefmt-check> formatted 309 files (0 changed) in 2.537s

post-build step Upload to niks3: ok
time=2026-08-12T21:32:57.244Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-12T21:32:57.548Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-12T21:32:57.811Z level=INFO msg="Upload complete. (632ms)"