this derivation will be built:
  /nix/store/7j626vkisd8a6kgbx8fgg82q3yq70h2p-treefmt-check.drv
building '/nix/store/7j626vkisd8a6kgbx8fgg82q3yq70h2p-treefmt-check.drv'
treefmt-check> traversed 246 files
treefmt-check> emitted 131 files for processing
treefmt-check> formatted 131 files (0 changed) in 749ms

post-build step Upload to niks3: ok
time=2026-08-28T09:13:21.173Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-08-28T09:13:21.789Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-28T09:13:21.920Z level=INFO msg="Upload complete. (766ms)"