this derivation will be built:
  /nix/store/ywdllnfr9z0vap3f9v7wf1wbip2i9fmx-treefmt-check.drv
building '/nix/store/ywdllnfr9z0vap3f9v7wf1wbip2i9fmx-treefmt-check.drv'
treefmt-check> traversed 458 files
treefmt-check> emitted 320 files for processing
treefmt-check> formatted 320 files (0 changed) in 16.865s

post-build step Upload to niks3: ok
time=2026-08-31T19:27:59.624Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-31T19:28:00.080Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T19:28:00.479Z level=INFO msg="Upload complete. (1.278s)"