this derivation will be built:
  /nix/store/bcmyhplyviwxmx3d4bvd5r4gl0qy0b5m-treefmt-check.drv
building '/nix/store/bcmyhplyviwxmx3d4bvd5r4gl0qy0b5m-treefmt-check.drv'
treefmt-check> traversed 454 files
treefmt-check> emitted 317 files for processing
treefmt-check> formatted 317 files (0 changed) in 2.228s

post-build step Upload to niks3: ok
time=2026-08-29T02:30:18.034Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-29T02:30:18.422Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-29T02:30:18.717Z level=INFO msg="Upload complete. (750ms)"