this derivation will be built:
  /nix/store/gcj43yg0jk7r50v8yar2zc055f2h2a9p-treefmt-check.drv
building '/nix/store/gcj43yg0jk7r50v8yar2zc055f2h2a9p-treefmt-check.drv'
treefmt-check> traversed 439 files
treefmt-check> emitted 305 files for processing
treefmt-check> formatted 305 files (0 changed) in 17.311s

post-build step Upload to niks3: ok
time=2026-08-20T05:03:25.366Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-20T05:03:25.696Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-20T05:03:26.149Z level=INFO msg="Upload complete. (869ms)"