this derivation will be built:
  /nix/store/arz9xcfh1nb9gg4n9bnp6yjx120sdsj0-treefmt-check.drv
building '/nix/store/arz9xcfh1nb9gg4n9bnp6yjx120sdsj0-treefmt-check.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/arz9xcfh1nb9gg4n9bnp6yjx120sdsj0-treefmt-check.drv'
treefmt-check> traversed 446 files
treefmt-check> emitted 311 files for processing
treefmt-check> formatted 311 files (0 changed) in 1.584s

post-build step Upload to niks3: ok
time=2026-08-20T09:03:38.808Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-20T09:03:39.205Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-20T09:03:39.584Z level=INFO msg="Upload complete. (842ms)"