this derivation will be built:
  /nix/store/7d2f7329b77ssrbi5xn8biwm1j238lwl-interpolate-conformance.drv
building '/nix/store/7d2f7329b77ssrbi5xn8biwm1j238lwl-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-30T21:25:49.438Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-30T21:25:49.935Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-30T21:25:50.496Z level=INFO msg="Upload complete. (1.427s)"