this derivation will be built:
  /nix/store/kl0yw4mfh5khvr5i9vwpgvs6bnb696d5-treefmt-check.drv
building '/nix/store/kl0yw4mfh5khvr5i9vwpgvs6bnb696d5-treefmt-check.drv'
treefmt-check> traversed 448 files
treefmt-check> emitted 311 files for processing
treefmt-check> formatted 311 files (0 changed) in 15.214s

post-build step Upload to niks3: ok
time=2026-08-25T11:14:04.850Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-25T11:14:05.259Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-25T11:14:05.642Z level=INFO msg="Upload complete. (1.163s)"