this derivation will be built:
  /nix/store/9x5l0nj246ma7v08ii91v3yqwh8i9syw-treefmt-check.drv
building '/nix/store/9x5l0nj246ma7v08ii91v3yqwh8i9syw-treefmt-check.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/9x5l0nj246ma7v08ii91v3yqwh8i9syw-treefmt-check.drv'
treefmt-check> traversed 439 files
treefmt-check> emitted 305 files for processing
treefmt-check> formatted 305 files (0 changed) in 1.652s

post-build step Upload to niks3: ok
time=2026-08-18T18:14:20.225Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-18T18:14:21.047Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-18T18:14:21.422Z level=INFO msg="Upload complete. (1.266s)"