this derivation will be built:
  /nix/store/lr25as8y7nxaxnzmf5p2v6fwpn4p2932-interpolate-conformance.drv
building '/nix/store/lr25as8y7nxaxnzmf5p2v6fwpn4p2932-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-29T21:18:39.400Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-29T21:18:39.922Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-29T21:18:40.345Z level=INFO msg="Upload complete. (1.057s)"