this derivation will be built:
  /nix/store/ngm3wnf9q14x70qqfvfhh5mimldhv6ia-treefmt-check.drv
building '/nix/store/ngm3wnf9q14x70qqfvfhh5mimldhv6ia-treefmt-check.drv'
treefmt-check> traversed 458 files
treefmt-check> emitted 320 files for processing
treefmt-check> formatted 320 files (0 changed) in 4.132s

post-build step Upload to niks3: ok
time=2026-08-30T04:20:10.004Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-30T04:20:10.415Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-30T04:20:10.773Z level=INFO msg="Upload complete. (898ms)"