this derivation will be built:
  /nix/store/m43b4cwkzx09ib0l5784lv93dfcvxx8f-treefmt-check.drv
building '/nix/store/m43b4cwkzx09ib0l5784lv93dfcvxx8f-treefmt-check.drv'
treefmt-check> traversed 454 files
treefmt-check> emitted 317 files for processing
treefmt-check> formatted 317 files (0 changed) in 19.594s

post-build step Upload to niks3: ok
time=2026-08-28T21:42:03.797Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-28T21:42:04.376Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-28T21:42:04.789Z level=INFO msg="Upload complete. (1.51s)"