this derivation will be built:
  /nix/store/73sp3j73v8pvs1w3pz3im30ia12c2rxi-interpolate-conformance.drv
building '/nix/store/73sp3j73v8pvs1w3pz3im30ia12c2rxi-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-25T11:08:48.864Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-25T11:08:49.303Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-25T11:08:49.758Z level=INFO msg="Upload complete. (962ms)"