these 2 derivations will be built:
  /nix/store/3yjxz2c2p7clsx2g6nrf02yn8zi2q19y-flake-inputs.drv
  /nix/store/mx4cywx3pzhjdf3iv0mpnicbn4wj3mv8-check-flake-inputs.drv
building '/nix/store/3yjxz2c2p7clsx2g6nrf02yn8zi2q19y-flake-inputs.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-darwin'
building '/nix/store/3yjxz2c2p7clsx2g6nrf02yn8zi2q19y-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 3yjxz2c2p7clsx2g6nrf02yn8zi2q19y-flake-inputs.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: handshaker shutdown
       hint: Set NIX_GRPC_DEBUG=1 for a handshake trace.
building '/nix/store/mx4cywx3pzhjdf3iv0mpnicbn4wj3mv8-check-flake-inputs.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=22&system=aarch64-darwin'
building '/nix/store/mx4cywx3pzhjdf3iv0mpnicbn4wj3mv8-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building mx4cywx3pzhjdf3iv0mpnicbn4wj3mv8-check-flake-inputs.drv