this derivation will be built:
  /nix/store/hbfai0rkjaa0sypdh4wjqx4dmcfi6p6c-interpolate-conformance.drv
building '/nix/store/hbfai0rkjaa0sypdh4wjqx4dmcfi6p6c-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-25T04:20:03.456Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-25T04:20:03.831Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-25T04:20:04.243Z level=INFO msg="Upload complete. (897ms)"