this derivation will be built:
  /nix/store/y4b5kvpsjqhrii35d95w0jb0ppn2x536-interpolate-conformance.drv
building '/nix/store/y4b5kvpsjqhrii35d95w0jb0ppn2x536-interpolate-conformance.drv' on 'ssh-ng://nix-remote-builder@bld3.m.ntd.one'
building '/nix/store/y4b5kvpsjqhrii35d95w0jb0ppn2x536-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-31T21:22:55.937Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-31T21:22:56.284Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T21:22:56.648Z level=INFO msg="Upload complete. (836ms)"