this derivation will be built:
  /nix/store/p5axkyjrbisch2axq54ymwn8pn3zrd6r-treefmt-check.drv
building '/nix/store/p5axkyjrbisch2axq54ymwn8pn3zrd6r-treefmt-check.drv' on 'ssh-ng://nix-remote-builder@bld3.m.ntd.one'
building '/nix/store/p5axkyjrbisch2axq54ymwn8pn3zrd6r-treefmt-check.drv'
treefmt-check> traversed 439 files
treefmt-check> emitted 305 files for processing
treefmt-check> formatted 305 files (0 changed) in 20.969s

post-build step Upload to niks3: ok
time=2026-08-18T18:42:48.984Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-18T18:42:49.393Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-18T18:42:49.742Z level=INFO msg="Upload complete. (847ms)"