this derivation will be built:
  /nix/store/i3p8yghi3v4hycwbgg0pdryjjab9v1ji-treefmt-check.drv
building '/nix/store/i3p8yghi3v4hycwbgg0pdryjjab9v1ji-treefmt-check.drv'
treefmt-check> traversed 476 files
treefmt-check> emitted 248 files for processing
treefmt-check> formatted 248 files (0 changed) in 1.223s

post-build step Upload to niks3: ok
time=2026-09-19T05:20:25.475Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-19T05:20:25.700Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-19T05:20:26.188Z level=INFO msg="Upload complete. (734ms)"