this derivation will be built:
  /nix/store/jkyijshjfid5lf34s6zckxfam6p52xzd-treefmt-check.drv
building '/nix/store/jkyijshjfid5lf34s6zckxfam6p52xzd-treefmt-check.drv'
treefmt-check> traversed 540 files
treefmt-check> emitted 297 files for processing
treefmt-check> formatted 297 files (0 changed) in 4.113s

post-build step Upload to niks3: ok
time=2026-09-23T05:02:40.461Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-23T05:02:41.194Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-23T05:02:41.670Z level=INFO msg="Upload complete. (1.267s)"