this derivation will be built:
  /nix/store/jrvszyk2hqlc71hz380v89wv866lh4ag-treefmt-check.drv
building '/nix/store/jrvszyk2hqlc71hz380v89wv866lh4ag-treefmt-check.drv'
treefmt-check> traversed 294 files
treefmt-check> emitted 148 files for processing
treefmt-check> formatted 148 files (0 changed) in 853ms

post-build step Upload to niks3: ok
time=2026-09-16T02:29:11.829Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-16T02:29:12.520Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-16T02:29:12.912Z level=INFO msg="Upload complete. (1.103s)"