this derivation will be built:
  /nix/store/ik7qmig6cf8vc8jy2v8rc6w3ifpinqkp-treefmt-check.drv
building '/nix/store/ik7qmig6cf8vc8jy2v8rc6w3ifpinqkp-treefmt-check.drv'
treefmt-check> traversed 483 files
treefmt-check> emitted 253 files for processing
treefmt-check> formatted 253 files (0 changed) in 1.221s

post-build step Upload to niks3: ok
time=2026-09-19T07:16:53.689Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-19T07:17:01.958Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-19T07:17:02.078Z level=INFO msg="Upload complete. (8.409s)"