this derivation will be built:
  /nix/store/y5gi1xk0myn6gb960amf4p305lgjc60g-interpolate-conformance.drv
building '/nix/store/y5gi1xk0myn6gb960amf4p305lgjc60g-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-28T21:54:21.638Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-28T21:54:22.112Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-28T21:54:22.459Z level=INFO msg="Upload complete. (1.023s)"