this derivation will be built:
  /nix/store/pkaks7im8yfkb4ykmxr044rxa48s8p91-interpolate-conformance.drv
building '/nix/store/pkaks7im8yfkb4ykmxr044rxa48s8p91-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-24T20:17:49.603Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-24T20:17:50.045Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-24T20:17:50.481Z level=INFO msg="Upload complete. (945ms)"