this derivation will be built:
  /nix/store/l2m8xlnm39f3ld2qvpzh3z0dka3rpy86-treefmt-check.drv
building '/nix/store/l2m8xlnm39f3ld2qvpzh3z0dka3rpy86-treefmt-check.drv'
treefmt-check> traversed 441 files
treefmt-check> emitted 307 files for processing
treefmt-check> formatted 307 files (0 changed) in 3.101s

post-build step Upload to niks3: ok
time=2026-08-20T05:54:07.223Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-20T05:54:07.581Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-20T05:54:08.050Z level=INFO msg="Upload complete. (883ms)"