this derivation will be built:
  /nix/store/hpx8ymfscqgywdqkjd5ipimm04m5y8ra-treefmt-check.drv
building '/nix/store/hpx8ymfscqgywdqkjd5ipimm04m5y8ra-treefmt-check.drv'
treefmt-check> traversed 255 files
treefmt-check> emitted 135 files for processing
treefmt-check> formatted 135 files (0 changed) in 773ms

post-build step Upload to niks3: ok
time=2026-09-02T14:47:57.653Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-02T14:47:57.967Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-02T14:47:58.212Z level=INFO msg="Upload complete. (579ms)"