this derivation will be built:
  /nix/store/50x8j9r9h7ss3myrx7vk3kvvlf9vfamr-flake-inputs.drv
building '/nix/store/50x8j9r9h7ss3myrx7vk3kvvlf9vfamr-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-09-01T13:06:49.028Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-09-01T13:06:49.458Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-01T13:06:49.836Z level=INFO msg="Upload complete. (951ms)"