this derivation will be built:
  /nix/store/a8a6pkwn7q3n33njr6ycfx6hwadwd9q6-interpolate-conformance.drv
building '/nix/store/a8a6pkwn7q3n33njr6ycfx6hwadwd9q6-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-24T18:14:29.811Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-24T18:14:30.666Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-24T18:14:31.476Z level=INFO msg="Upload complete. (1.904s)"