this derivation will be built:
  /nix/store/j9wr2n8gvyn3irxsd60idc165p7fm2z5-flake-inputs.drv
building '/nix/store/j9wr2n8gvyn3irxsd60idc165p7fm2z5-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-31T21:18:29.386Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-31T21:18:29.932Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T21:18:30.298Z level=INFO msg="Upload complete. (1.01s)"