this derivation will be built:
  /nix/store/pv1hsfv56xgr95cgjpif91xas6j9lygr-treefmt-check.drv
building '/nix/store/pv1hsfv56xgr95cgjpif91xas6j9lygr-treefmt-check.drv'
treefmt-check> traversed 534 files
treefmt-check> emitted 291 files for processing
treefmt-check> formatted 291 files (0 changed) in 1.446s

post-build step Upload to niks3: ok
time=2026-09-22T11:12:25.657Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-22T11:12:26.148Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-22T11:12:26.362Z level=INFO msg="Upload complete. (724ms)"