this derivation will be built:
  /nix/store/km19li9cf5i7nki0kgq553i8vph7n21q-treefmt-check.drv
building '/nix/store/km19li9cf5i7nki0kgq553i8vph7n21q-treefmt-check.drv' on 'ssh-ng://nix-remote-builder@bld3.m.ntd.one'
building '/nix/store/km19li9cf5i7nki0kgq553i8vph7n21q-treefmt-check.drv'
treefmt-check> traversed 449 files
treefmt-check> emitted 312 files for processing
treefmt-check> formatted 312 files (0 changed) in 15.565s

post-build step Upload to niks3: ok
time=2026-08-25T12:28:12.083Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-25T12:28:12.664Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-25T12:28:13.060Z level=INFO msg="Upload complete. (1.053s)"