this derivation will be built:
  /nix/store/qqckb80mp8p9nvd3jvxj4hd25g10qah5-interpolate-conformance.drv
building '/nix/store/qqckb80mp8p9nvd3jvxj4hd25g10qah5-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-09-01T07:26:18.844Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-09-01T07:26:19.296Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-01T07:26:19.634Z level=INFO msg="Upload complete. (864ms)"