this derivation will be built:
  /nix/store/fq4r9jddcx198njvflkvs483kqcbkd92-treefmt-check.drv
building '/nix/store/fq4r9jddcx198njvflkvs483kqcbkd92-treefmt-check.drv'
treefmt-check> traversed 454 files
treefmt-check> emitted 228 files for processing
treefmt-check> formatted 228 files (0 changed) in 1.176s

post-build step Upload to niks3: ok
time=2026-09-18T17:04:15.910Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-18T17:04:16.426Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-18T17:04:17.462Z level=INFO msg="Upload complete. (1.572s)"