this derivation will be built:
  /nix/store/l8vgvn17iqaqgxxinfc4g59n7amnck5a-treefmt-check.drv
building '/nix/store/l8vgvn17iqaqgxxinfc4g59n7amnck5a-treefmt-check.drv'
treefmt-check> traversed 533 files
treefmt-check> emitted 290 files for processing
treefmt-check> formatted 290 files (0 changed) in 1.502s

post-build step Upload to niks3: ok
time=2026-09-22T10:59:53.168Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-22T10:59:53.505Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-22T10:59:53.581Z level=INFO msg="Upload complete. (438ms)"