this derivation will be built:
  /nix/store/1vza1sm3ki06fm5l9kfx5dgqh4brq7hx-interpolate-conformance.drv
building '/nix/store/1vza1sm3ki06fm5l9kfx5dgqh4brq7hx-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-27T06:24:14.128Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-27T06:24:14.856Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-27T06:24:15.245Z level=INFO msg="Upload complete. (1.381s)"