this derivation will be built:
  /nix/store/d3xr6fj7x8l7dc4kcsxqikanj9m3b8v4-claudebox.drv
building '/nix/store/d3xr6fj7x8l7dc4kcsxqikanj9m3b8v4-claudebox.drv'

post-build step Upload to niks3: ok
time=2026-08-28T06:55:56.432Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (157 already cached)"
time=2026-08-28T06:55:56.432Z level=INFO msg="Uploading sqyqs33m21haspgbjr9k75swjcjxypl6-claudebox (18.8KB)"
time=2026-08-28T06:55:57.203Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-28T06:55:57.638Z level=INFO msg="Upload complete. (1.386s)"