this derivation will be built:
  /nix/store/vgq9cm9rrvvcm0k6p7bkmnclli0j9pk2-treefmt-check.drv
building '/nix/store/vgq9cm9rrvvcm0k6p7bkmnclli0j9pk2-treefmt-check.drv'
treefmt-check> traversed 449 files
treefmt-check> emitted 313 files for processing
treefmt-check> formatted 313 files (0 changed) in 2.139s

post-build step Upload to niks3: ok
time=2026-08-26T18:46:25.446Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-26T18:46:25.805Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-26T18:46:26.159Z level=INFO msg="Upload complete. (889ms)"