this derivation will be built:
  /nix/store/l3r438bj3akf5cvkysb77ldpj4hyr7kl-treefmt-check.drv
building '/nix/store/l3r438bj3akf5cvkysb77ldpj4hyr7kl-treefmt-check.drv'
treefmt-check> traversed 458 files
treefmt-check> emitted 320 files for processing
treefmt-check> formatted 320 files (0 changed) in 21.987s

post-build step Upload to niks3: ok
time=2026-09-01T09:17:51.026Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-09-01T09:17:51.548Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-01T09:17:51.892Z level=INFO msg="Upload complete. (986ms)"