this derivation will be built:
  /nix/store/fi42kcqcy0s3pw24sdbvfr9vih4h43sa-interpolate-conformance.drv
building '/nix/store/fi42kcqcy0s3pw24sdbvfr9vih4h43sa-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-24T18:19:42.232Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-24T18:19:43.199Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-24T18:19:43.618Z level=INFO msg="Upload complete. (1.451s)"