this derivation will be built:
  /nix/store/j6s48r3c3xaanvx28zbn0yaf6l5gpcm8-flake-inputs.drv
building '/nix/store/j6s48r3c3xaanvx28zbn0yaf6l5gpcm8-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-29T00:38:36.842Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-29T00:38:37.190Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-29T00:38:37.553Z level=INFO msg="Upload complete. (866ms)"