this derivation will be built:
  /nix/store/1jqv1k3wcb4snn7wzw92hxrr4y33wfw2-treefmt-check.drv
building '/nix/store/1jqv1k3wcb4snn7wzw92hxrr4y33wfw2-treefmt-check.drv'
treefmt-check> traversed 453 files
treefmt-check> emitted 316 files for processing
treefmt-check> formatted 316 files (0 changed) in 17.835s

post-build step Upload to niks3: ok
time=2026-08-27T06:13:48.670Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-27T06:13:49.034Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-27T06:13:49.391Z level=INFO msg="Upload complete. (871ms)"