this derivation will be built:
  /nix/store/g700787rc34xz13wlscgvyr9v9i8wafj-interpolate-conformance.drv
cannot build 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=21&system=aarch64-darwin': error: gRPC StoreInfo on 'farm.numtide.com:50051' failed: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.2:50051: Handshake read failed
       hint: TLS handshake failed: server certificate not trusted by our CA bundle, server rejected our client certificate, or the peer is not speaking TLS. Set NIX_GRPC_DEBUG=1 for a handshake trace.