this derivation will be built:
  /nix/store/h00j1k4xlsa4x21dxqb65lxiw7jn0r8h-treefmt-check.drv
building '/nix/store/h00j1k4xlsa4x21dxqb65lxiw7jn0r8h-treefmt-check.drv' on 'ssh-ng://nix-remote-builder@bld3.m.ntd.one'
building '/nix/store/h00j1k4xlsa4x21dxqb65lxiw7jn0r8h-treefmt-check.drv'
treefmt-check> traversed 427 files
treefmt-check> emitted 299 files for processing
treefmt-check> formatted 299 files (0 changed) in 7.397s

post-build step Upload to niks3: ok
time=2026-08-14T21:15:55.291Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-14T21:15:55.710Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-14T21:15:56.031Z level=INFO msg="Upload complete. (811ms)"