this derivation will be built:
  /nix/store/k3xkw62jx9nkqf9x9v6mmg20k370jw2r-treefmt-check.drv
building '/nix/store/k3xkw62jx9nkqf9x9v6mmg20k370jw2r-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 504 files
treefmt-check> emitted 348 files for processing
treefmt-check> formatted 348 files (0 changed) in 783ms

post-build step Upload to niks3: ok
time=2026-08-20T17:01:52.572Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-08-20T17:01:52.874Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-20T17:01:53.135Z level=INFO msg="Upload complete. (597ms)"