this derivation will be built:
  /nix/store/fjdj5j4ckdvg74ng8a9c8ahk4ir658qq-treefmt-check.drv
building '/nix/store/fjdj5j4ckdvg74ng8a9c8ahk4ir658qq-treefmt-check.drv'
treefmt-check> traversed 250 files
treefmt-check> emitted 131 files for processing
treefmt-check> formatted 131 files (0 changed) in 750ms

post-build step Upload to niks3: ok
time=2026-08-31T09:27:07.972Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-08-31T09:27:08.248Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T09:27:08.976Z level=INFO msg="Upload complete. (1.023s)"