this derivation will be built:
  /nix/store/rxbi0gq1jzyr8blx7pgfji192ya6l80d-interpolate-conformance.drv
building '/nix/store/rxbi0gq1jzyr8blx7pgfji192ya6l80d-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-25T18:50:06.876Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-25T18:50:07.669Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-25T18:50:08.109Z level=INFO msg="Upload complete. (1.351s)"