this derivation will be built:
  /nix/store/y40mb94diimpkyhpr4442pwr8l1bmcxk-treefmt-check.drv
building '/nix/store/y40mb94diimpkyhpr4442pwr8l1bmcxk-treefmt-check.drv'
treefmt-check> traversed 187 files
treefmt-check> emitted 91 files for processing
treefmt-check> formatted 91 files (0 changed) in 643ms

post-build step Upload to niks3: ok
time=2026-08-19T07:50:34.124Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-08-19T07:50:34.538Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-19T07:50:34.786Z level=INFO msg="Upload complete. (683ms)"