this derivation will be built:
  /nix/store/asm8nn9l0nk9dz4k1v9d984k4wkbx5i4-flake-inputs.drv
building '/nix/store/asm8nn9l0nk9dz4k1v9d984k4wkbx5i4-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-31T19:31:44.171Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-31T19:31:44.564Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T19:31:44.936Z level=INFO msg="Upload complete. (869ms)"