this derivation will be built:
  /nix/store/hmwfhh0zqcv4i08aq8h62507nkhppj2l-interpolate-conformance.drv
building '/nix/store/hmwfhh0zqcv4i08aq8h62507nkhppj2l-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-24T21:18:37.421Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-24T21:18:37.771Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-24T21:18:38.364Z level=INFO msg="Upload complete. (1.003s)"