this derivation will be built:
  /nix/store/0xgxqlwln3z6g4hnhb5lm2h5sn5s8hcb-interpolate-conformance.drv
building '/nix/store/0xgxqlwln3z6g4hnhb5lm2h5sn5s8hcb-interpolate-conformance.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=20&system=aarch64-linux'
error: gRPC AddMultipleToStore on 'farm.numtide.com:50051' failed: worker shutting down: error: niks3 push: getting path info: command failed: nix --extra-experimental-features nix-command path-info --recursive --json -- /nix/store/0xgxqlwln3z6g4hnhb5lm2h5sn5s8hcb-interpolate-conformance.drv
              error: context canceled
       hint: Set NIX_GRPC_DEBUG=1 for a handshake trace.
error: Cannot build '/nix/store/0xgxqlwln3z6g4hnhb5lm2h5sn5s8hcb-interpolate-conformance.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/pp16g60jqkra7jv7h6qpfg3wp58kkbra-interpolate-conformance