this derivation will be built:
  /nix/store/h23d9pbdkw3lm7msv3y4fn42ikvlcf5k-treefmt-check.drv
building '/nix/store/h23d9pbdkw3lm7msv3y4fn42ikvlcf5k-treefmt-check.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/h23d9pbdkw3lm7msv3y4fn42ikvlcf5k-treefmt-check.drv'
treefmt-check> traversed 439 files
treefmt-check> emitted 305 files for processing
treefmt-check> formatted 305 files (0 changed) in 1.66s

post-build step Upload to niks3: ok
time=2026-08-19T18:17:24.641Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-19T18:17:25.017Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-19T18:17:25.343Z level=INFO msg="Upload complete. (771ms)"