this derivation will be built:
  /nix/store/y1y4q0mdjd08gpwbnqqr3snz8ii33m0g-treefmt-check.drv
building '/nix/store/y1y4q0mdjd08gpwbnqqr3snz8ii33m0g-treefmt-check.drv' on 'ssh-ng://nix-remote-builder@bld3.m.ntd.one'
building '/nix/store/y1y4q0mdjd08gpwbnqqr3snz8ii33m0g-treefmt-check.drv'
treefmt-check> traversed 449 files
treefmt-check> emitted 313 files for processing
treefmt-check> formatted 313 files (0 changed) in 15.759s

post-build step Upload to niks3: ok
time=2026-08-25T18:29:00.751Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-25T18:29:01.368Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-25T18:29:01.803Z level=INFO msg="Upload complete. (1.168s)"