this derivation will be built:
  /nix/store/k42ljy4xcabw8x597q92n8wbdv831915-flake-inputs.drv
building '/nix/store/k42ljy4xcabw8x597q92n8wbdv831915-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-31T04:34:18.993Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-31T04:34:19.373Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T04:34:19.709Z level=INFO msg="Upload complete. (828ms)"