this derivation will be built:
  /nix/store/v5jpfhfnqhkxjknx2wfivlk7jj7ix7p2-treefmt-check.drv
building '/nix/store/v5jpfhfnqhkxjknx2wfivlk7jj7ix7p2-treefmt-check.drv'
treefmt-check> traversed 446 files
treefmt-check> emitted 311 files for processing
treefmt-check> formatted 311 files (0 changed) in 18.725s

post-build step Upload to niks3: ok
time=2026-08-21T00:19:14.393Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-21T00:19:14.790Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-21T00:19:15.126Z level=INFO msg="Upload complete. (910ms)"