this derivation will be built:
  /nix/store/8ddi6h3diwgdy2qaf56jsn7wbnmg7dxw-treefmt-check.drv
building '/nix/store/8ddi6h3diwgdy2qaf56jsn7wbnmg7dxw-treefmt-check.drv' on 'ssh-ng://nix-remote-builder@bld3.m.ntd.one'
building '/nix/store/8ddi6h3diwgdy2qaf56jsn7wbnmg7dxw-treefmt-check.drv'
treefmt-check> traversed 446 files
treefmt-check> emitted 311 files for processing
treefmt-check> formatted 311 files (0 changed) in 30.376s

post-build step Upload to niks3: ok
time=2026-08-23T18:12:32.785Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-23T18:12:33.199Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-23T18:12:33.566Z level=INFO msg="Upload complete. (856ms)"