this derivation will be built:
  /nix/store/pj5pdzpd6f598nn8r8xcq3kfi194ccd4-treefmt-check.drv
building '/nix/store/pj5pdzpd6f598nn8r8xcq3kfi194ccd4-treefmt-check.drv'
treefmt-check> traversed 340 files
treefmt-check> emitted 164 files for processing
treefmt-check> formatted 164 files (0 changed) in 978ms

post-build step Upload to niks3: ok
time=2026-09-17T13:10:34.963Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-17T13:10:35.552Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-17T13:10:35.620Z level=INFO msg="Upload complete. (677ms)"