this derivation will be built:
  /nix/store/lz7cf1la5q2ss40451q70xj0a3g8l4d9-interpolate-conformance.drv
building '/nix/store/lz7cf1la5q2ss40451q70xj0a3g8l4d9-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-25T11:40:31.931Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-25T11:40:32.474Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-25T11:40:32.856Z level=INFO msg="Upload complete. (1.001s)"