this derivation will be built:
  /nix/store/qxzw568jxxjsc7nyv2c4q521mxpnhnfp-flake-inputs.drv
building '/nix/store/qxzw568jxxjsc7nyv2c4q521mxpnhnfp-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-25T18:22:41.351Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-25T18:22:41.884Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-25T18:22:42.292Z level=INFO msg="Upload complete. (1.04s)"