this derivation will be built:
  /nix/store/0qb75s45xpzmm5vw9gi2b6jdd509ks6r-interpolate-conformance.drv
building '/nix/store/0qb75s45xpzmm5vw9gi2b6jdd509ks6r-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-28T21:27:02.424Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-28T21:27:02.792Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-28T21:27:03.214Z level=INFO msg="Upload complete. (876ms)"