this derivation will be built:
  /nix/store/53h75vz8kys3q6p3kn5mrdpc2nmwcn7w-flake-inputs.drv
building '/nix/store/53h75vz8kys3q6p3kn5mrdpc2nmwcn7w-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-09-01T09:32:36.192Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-09-01T09:32:36.668Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-01T09:32:37.309Z level=INFO msg="Upload complete. (1.469s)"