this derivation will be built:
  /nix/store/3fjb1gx0707yr92k3jimnam6f7jdd78j-interpolate-conformance.drv
building '/nix/store/3fjb1gx0707yr92k3jimnam6f7jdd78j-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-29T05:22:30.430Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-29T05:22:30.894Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-29T05:22:31.797Z level=INFO msg="Upload complete. (3.304s)"