this derivation will be built:
  /nix/store/livsf9wlgzl7kwgw7rv8f0c2c9x1m3ky-format-check.drv
building '/nix/store/livsf9wlgzl7kwgw7rv8f0c2c9x1m3ky-format-check.drv' on 'ssh-ng://nix-remote-builder@bld3.m.ntd.one'
building '/nix/store/livsf9wlgzl7kwgw7rv8f0c2c9x1m3ky-format-check.drv'
format-check> traversed 489 files
format-check> emitted 390 files for processing
format-check> formatted 390 files (0 changed) in 9.995s

post-build step Upload to niks3: ok
time=2026-07-06T10:38:53.481Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-07-06T10:38:53.737Z level=INFO msg="Uploading 1 narinfos"
time=2026-07-06T10:38:53.969Z level=INFO msg="Upload complete. (541ms)"