this derivation will be built:
  /nix/store/7smh0v8laj2nqqyi9dq1w8q9rpavk9j7-treefmt-check.drv
building '/nix/store/7smh0v8laj2nqqyi9dq1w8q9rpavk9j7-treefmt-check.drv'
treefmt-check> traversed 338 files
treefmt-check> emitted 162 files for processing
treefmt-check> formatted 162 files (0 changed) in 938ms

post-build step Upload to niks3: ok
time=2026-09-17T11:51:11.225Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-17T11:51:11.836Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-17T11:51:12.009Z level=INFO msg="Upload complete. (806ms)"