this derivation will be built:
  /nix/store/yygygf3bv5mck8jch39vzkk3wapda5aq-treefmt-check.drv
building '/nix/store/yygygf3bv5mck8jch39vzkk3wapda5aq-treefmt-check.drv'
treefmt-check> traversed 213 files
treefmt-check> emitted 111 files for processing
treefmt-check> formatted 111 files (0 changed) in 813ms

post-build step Upload to niks3: ok
time=2026-08-20T14:29:59.870Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-08-20T14:30:00.783Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-20T14:30:01.122Z level=INFO msg="Upload complete. (1.274s)"