this derivation will be built:
  /nix/store/qbfn5w44l1jf3nj58j8dykkcw1hayrws-interpolate-conformance.drv
building '/nix/store/qbfn5w44l1jf3nj58j8dykkcw1hayrws-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-31T01:09:42.392Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-31T01:09:42.793Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T01:09:43.161Z level=INFO msg="Upload complete. (841ms)"