this derivation will be built:
  /nix/store/61zznbi0cn7ni88wfzbs0nlvsqgw1xph-treefmt-check.drv
building '/nix/store/61zznbi0cn7ni88wfzbs0nlvsqgw1xph-treefmt-check.drv' on 'ssh-ng://nix-remote-builder@bld3.m.ntd.one'
building '/nix/store/61zznbi0cn7ni88wfzbs0nlvsqgw1xph-treefmt-check.drv'
treefmt-check> traversed 428 files
treefmt-check> emitted 300 files for processing
treefmt-check> formatted 300 files (0 changed) in 5.513s

post-build step Upload to niks3: ok
time=2026-08-15T21:07:12.321Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-15T21:07:12.692Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-15T21:07:13.002Z level=INFO msg="Upload complete. (754ms)"