this derivation will be built:
  /nix/store/p7rsaq3ifx5a5rfjxjrcnzdlw4c6rgjz-treefmt-check.drv
building '/nix/store/p7rsaq3ifx5a5rfjxjrcnzdlw4c6rgjz-treefmt-check.drv'
treefmt-check> traversed 486 files
treefmt-check> emitted 256 files for processing
treefmt-check> formatted 256 files (0 changed) in 1.288s

post-build step Upload to niks3: ok
time=2026-09-19T09:49:38.835Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-19T09:49:39.052Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-19T09:49:39.148Z level=INFO msg="Upload complete. (332ms)"