this derivation will be built:
  /nix/store/dyrzlpfghcl7p54j1x2fvr5xjyn6skh0-interpolate-conformance.drv
building '/nix/store/dyrzlpfghcl7p54j1x2fvr5xjyn6skh0-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-25T00:05:04.874Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-25T00:05:05.305Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-25T00:05:05.663Z level=INFO msg="Upload complete. (865ms)"