this derivation will be built:
  /nix/store/aia6773d8qxf3dr1d0mbjcz4msl8rqcp-treefmt-check.drv
building '/nix/store/aia6773d8qxf3dr1d0mbjcz4msl8rqcp-treefmt-check.drv'
treefmt-check> traversed 473 files
treefmt-check> emitted 245 files for processing
treefmt-check> formatted 245 files (0 changed) in 1.37s

post-build step Upload to niks3: ok
time=2026-09-18T19:44:18.985Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-18T19:44:19.533Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-18T19:44:19.610Z level=INFO msg="Upload complete. (658ms)"