this derivation will be built:
  /nix/store/4h6dpkaizh07kny7si07q9z9wd2l0v21-interpolate-conformance.drv
building '/nix/store/4h6dpkaizh07kny7si07q9z9wd2l0v21-interpolate-conformance.drv' on 'ssh-ng://nix-remote-builder@bld3.m.ntd.one'
building '/nix/store/4h6dpkaizh07kny7si07q9z9wd2l0v21-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-09-01T09:25:40.623Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-09-01T09:25:40.981Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-01T09:25:41.321Z level=INFO msg="Upload complete. (766ms)"