this derivation will be built:
  /nix/store/c8q7bc276g0gwym201279qskmdilcb54-interpolate-conformance.drv
building '/nix/store/c8q7bc276g0gwym201279qskmdilcb54-interpolate-conformance.drv' on 'ssh-ng://nix-remote-builder@bld3.m.ntd.one'
building '/nix/store/c8q7bc276g0gwym201279qskmdilcb54-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-25T00:19:08.461Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-25T00:19:08.912Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-25T00:19:09.232Z level=INFO msg="Upload complete. (832ms)"