this derivation will be built:
  /nix/store/nix0v7hhglxd1iqpxyrv9x9xprqdzjf3-treefmt-check.drv
building '/nix/store/nix0v7hhglxd1iqpxyrv9x9xprqdzjf3-treefmt-check.drv'
treefmt-check> traversed 437 files
treefmt-check> emitted 312 files for processing
treefmt-check> formatted 312 files (0 changed) in 23.249s

post-build step Upload to niks3: ok
time=2026-08-13T10:08:57.615Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-13T10:08:57.994Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-13T10:08:58.312Z level=INFO msg="Upload complete. (765ms)"