this derivation will be built:
  /nix/store/jc3hpi247958rw0q6cnr6z26h70f6ci9-treefmt-check.drv
building '/nix/store/jc3hpi247958rw0q6cnr6z26h70f6ci9-treefmt-check.drv'
treefmt-check> traversed 434 files
treefmt-check> emitted 303 files for processing
treefmt-check> formatted 303 files (0 changed) in 2.4s

post-build step Upload to niks3: ok
time=2026-08-16T04:18:53.516Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-16T04:18:53.803Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-16T04:18:54.078Z level=INFO msg="Upload complete. (635ms)"