this derivation will be built:
  /nix/store/cj1dyka5hxq8y5vgndyh6bgv6wwyzizx-flake-inputs.drv
building '/nix/store/cj1dyka5hxq8y5vgndyh6bgv6wwyzizx-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-09-01T09:21:40.921Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-09-01T09:21:41.343Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-01T09:21:41.707Z level=INFO msg="Upload complete. (1.096s)"