this derivation will be built:
  /nix/store/j40s7ir5qcgfzi7vrn60iiqkfjn4d7mh-interpolate-conformance.drv
building '/nix/store/j40s7ir5qcgfzi7vrn60iiqkfjn4d7mh-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-31T21:14:47.717Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-31T21:14:48.180Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T21:14:48.539Z level=INFO msg="Upload complete. (883ms)"