this derivation will be built:
  /nix/store/34k1z5vsnqv2wc3ldya8vn7cb5lg57ch-treefmt-check.drv
building '/nix/store/34k1z5vsnqv2wc3ldya8vn7cb5lg57ch-treefmt-check.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/34k1z5vsnqv2wc3ldya8vn7cb5lg57ch-treefmt-check.drv'
treefmt-check> traversed 440 files
treefmt-check> emitted 306 files for processing
treefmt-check> formatted 306 files (0 changed) in 1.555s

post-build step Upload to niks3: ok
time=2026-08-20T05:07:09.623Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-20T05:07:09.934Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-20T05:07:10.259Z level=INFO msg="Upload complete. (698ms)"