this derivation will be built:
  /nix/store/912s2krgywxya10mnscpjm5yp7dszm9c-treefmt-check.drv
building '/nix/store/912s2krgywxya10mnscpjm5yp7dszm9c-treefmt-check.drv'
treefmt-check> traversed 353 files
treefmt-check> emitted 174 files for processing
treefmt-check> formatted 174 files (0 changed) in 942ms

post-build step Upload to niks3: ok
time=2026-09-17T18:21:41.440Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-17T18:21:41.875Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-17T18:21:42.003Z level=INFO msg="Upload complete. (582ms)"