this derivation will be built:
  /nix/store/an2vq4cgvjza1bwh5ga5fj2m2cqwp99s-treefmt-check.drv
building '/nix/store/an2vq4cgvjza1bwh5ga5fj2m2cqwp99s-treefmt-check.drv' on 'ssh-ng://nix-remote-builder@bld3.m.ntd.one'
building '/nix/store/an2vq4cgvjza1bwh5ga5fj2m2cqwp99s-treefmt-check.drv'
treefmt-check> traversed 428 files
treefmt-check> emitted 300 files for processing
treefmt-check> formatted 300 files (0 changed) in 16.13s

post-build step Upload to niks3: ok
time=2026-08-15T18:21:46.927Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-15T18:21:47.238Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-15T18:21:47.573Z level=INFO msg="Upload complete. (729ms)"