this derivation will be built:
  /nix/store/98v9hryr9nbdq2mpl22mk9bf2z1ka2qc-treefmt-check.drv
building '/nix/store/98v9hryr9nbdq2mpl22mk9bf2z1ka2qc-treefmt-check.drv'
treefmt-check> traversed 401 files
treefmt-check> emitted 192 files for processing
treefmt-check> formatted 192 files (0 changed) in 1.032s

post-build step Upload to niks3: ok
time=2026-09-18T10:40:01.760Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-18T10:40:02.221Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-18T10:40:02.455Z level=INFO msg="Upload complete. (714ms)"