these 2 derivations will be built:
  /nix/store/wsjvlp6jim0inbafsv2v7f0w168cvbm0-claude-agent-acp-0.91.0.drv
  /nix/store/x8jvw64d5g33kdlbfjkfjhg4br4lh5r0-check-claude-agent-acp.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=22&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: handshaker shutdown
       hint: Set NIX_GRPC_DEBUG=1 for a handshake trace.