this derivation will be built:
  /nix/store/519s6mnhv794lmz165wqi37xzs0xkrbp-claudebox.drv
building '/nix/store/519s6mnhv794lmz165wqi37xzs0xkrbp-claudebox.drv'

post-build step Upload to niks3: ok
time=2026-08-31T21:14:17.086Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (158 already cached)"
time=2026-08-31T21:14:17.086Z level=INFO msg="Uploading i39jw8mr8nyjz7a02jq4y8p5n004i15f-claudebox (18.8KB)"
time=2026-08-31T21:14:18.015Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T21:14:18.443Z level=INFO msg="Upload complete. (1.583s)"