this derivation will be built:
  /nix/store/bdrbwg87rra779kk8fm7v7k0jpbxkl63-treefmt-check.drv
building '/nix/store/bdrbwg87rra779kk8fm7v7k0jpbxkl63-treefmt-check.drv'
treefmt-check> traversed 499 files
treefmt-check> emitted 267 files for processing
treefmt-check> formatted 267 files (0 changed) in 1.401s

post-build step Upload to niks3: ok
time=2026-09-19T19:49:53.897Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-19T19:49:54.232Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-19T19:49:54.499Z level=INFO msg="Upload complete. (630ms)"