this derivation will be built:
  /nix/store/66xzb6xvahm6xmqk1fc89w4bwyzyz0f4-treefmt-check.drv
building '/nix/store/66xzb6xvahm6xmqk1fc89w4bwyzyz0f4-treefmt-check.drv'
treefmt-check> traversed 391 files
treefmt-check> emitted 190 files for processing
treefmt-check> formatted 190 files (0 changed) in 1.117s

post-build step Upload to niks3: ok
time=2026-09-18T09:16:48.464Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-18T09:16:49.333Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-18T09:16:49.555Z level=INFO msg="Upload complete. (1.114s)"