this derivation will be built:
  /nix/store/r8hdhkm7v3ndk81n9b3qay4vc2q8qyr6-interpolate-conformance.drv
building '/nix/store/r8hdhkm7v3ndk81n9b3qay4vc2q8qyr6-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-30T19:02:29.860Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-30T19:02:30.310Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-30T19:02:30.736Z level=INFO msg="Upload complete. (1.178s)"