this derivation will be built:
  /nix/store/vs3d4vcac3j4ykf2r02dqb32vbjfan15-treefmt-check.drv
building '/nix/store/vs3d4vcac3j4ykf2r02dqb32vbjfan15-treefmt-check.drv'
treefmt-check> traversed 458 files
treefmt-check> emitted 320 files for processing
treefmt-check> formatted 320 files (0 changed) in 3.409s

post-build step Upload to niks3: ok
time=2026-08-31T19:32:26.325Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-31T19:32:26.873Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T19:32:27.260Z level=INFO msg="Upload complete. (1.014s)"