this derivation will be built:
  /nix/store/wc9vcqf6y1anrsxj3kwsyzmnp7xk7s5p-interpolate-conformance.drv
building '/nix/store/wc9vcqf6y1anrsxj3kwsyzmnp7xk7s5p-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-27T22:51:27.453Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-27T22:51:27.941Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-27T22:51:28.273Z level=INFO msg="Upload complete. (1.279s)"