this derivation will be built:
  /nix/store/p5dyzvpw8py9l519icxm43vy4jablvn3-interpolate-conformance.drv
building '/nix/store/p5dyzvpw8py9l519icxm43vy4jablvn3-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-26T19:16:33.735Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-26T19:16:34.168Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-26T19:16:34.514Z level=INFO msg="Upload complete. (854ms)"