this derivation will be built:
  /nix/store/26r6vs0cidf0nrnh33c5ngl6cs4fdl5k-treefmt-check.drv
building '/nix/store/26r6vs0cidf0nrnh33c5ngl6cs4fdl5k-treefmt-check.drv'
treefmt-check> traversed 423 files
treefmt-check> emitted 213 files for processing
treefmt-check> formatted 213 files (0 changed) in 1.192s

post-build step Upload to niks3: ok
time=2026-09-18T14:13:03.490Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-18T14:13:03.921Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-18T14:13:04.279Z level=INFO msg="Upload complete. (809ms)"