this derivation will be built:
  /nix/store/wngh01qn70hnfg87ci8ba2m8mkzvm387-treefmt-check.drv
building '/nix/store/wngh01qn70hnfg87ci8ba2m8mkzvm387-treefmt-check.drv'
treefmt-check> traversed 212 files
treefmt-check> emitted 110 files for processing
treefmt-check> formatted 110 files (0 changed) in 600ms

post-build step Upload to niks3: ok
time=2026-08-19T22:01:54.429Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-08-19T22:01:55.123Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-19T22:01:55.286Z level=INFO msg="Upload complete. (875ms)"