this derivation will be built:
  /nix/store/ldpzdx6kg7qwpga5gb5d1xsvbap2pamx-interpolate-conformance.drv
building '/nix/store/ldpzdx6kg7qwpga5gb5d1xsvbap2pamx-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-09-01T10:31:18.136Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-09-01T10:31:18.785Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-01T10:31:19.171Z level=INFO msg="Upload complete. (1.106s)"