this derivation will be built:
  /nix/store/ncq2qcaw5ayjzgwlk7r3bvi4pl3jkh3j-interpolate-conformance.drv
building '/nix/store/ncq2qcaw5ayjzgwlk7r3bvi4pl3jkh3j-interpolate-conformance.drv' on 'ssh-ng://nix-remote-builder@bld3.m.ntd.one'
building '/nix/store/ncq2qcaw5ayjzgwlk7r3bvi4pl3jkh3j-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-29T04:30:16.408Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-29T04:30:17.117Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-29T04:30:17.529Z level=INFO msg="Upload complete. (19.011s)"