this derivation will be built:
  /nix/store/hy6qaai4d83hcd6dqf3g1sd4qg2fin1i-interpolate-conformance.drv
building '/nix/store/hy6qaai4d83hcd6dqf3g1sd4qg2fin1i-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-29T11:44:24.472Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-29T11:44:24.853Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-29T11:44:25.234Z level=INFO msg="Upload complete. (849ms)"