this derivation will be built:
  /nix/store/43cd3bczwpld1qa4knb2d1i8838apcsh-flake-inputs.drv
building '/nix/store/43cd3bczwpld1qa4knb2d1i8838apcsh-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-25T11:16:06.785Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-25T11:16:07.377Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-25T11:16:07.768Z level=INFO msg="Upload complete. (1.452s)"