this derivation will be built:
  /nix/store/gf1hc5svawv5kzqkg2wrzyyc3f4zxn8k-interpolate-conformance.drv
building '/nix/store/gf1hc5svawv5kzqkg2wrzyyc3f4zxn8k-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-24T18:16:04.549Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-24T18:16:05.691Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-24T18:16:06.152Z level=INFO msg="Upload complete. (1.662s)"