this derivation will be built:
  /nix/store/rna6mvanhyrqpq8mywpq6jawz14cvgyj-treefmt-check.drv
building '/nix/store/rna6mvanhyrqpq8mywpq6jawz14cvgyj-treefmt-check.drv'
treefmt-check> traversed 434 files
treefmt-check> emitted 303 files for processing
treefmt-check> formatted 303 files (0 changed) in 19.411s

post-build step Upload to niks3: ok
time=2026-08-16T04:27:59.424Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-16T04:27:59.864Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-16T04:28:00.157Z level=INFO msg="Upload complete. (817ms)"