these 2 derivations will be built:
  /nix/store/0fanp6hv8lyd647dfa3gwpng4qr8bvp3-flake-inputs.drv
  /nix/store/f7w1np3jc7invakq86v3k9sx1x363i6v-check-flake-inputs.drv
building '/nix/store/0fanp6hv8lyd647dfa3gwpng4qr8bvp3-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/0fanp6hv8lyd647dfa3gwpng4qr8bvp3-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 0fanp6hv8lyd647dfa3gwpng4qr8bvp3-flake-inputs.drv
building '/nix/store/f7w1np3jc7invakq86v3k9sx1x363i6v-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/f7w1np3jc7invakq86v3k9sx1x363i6v-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building f7w1np3jc7invakq86v3k9sx1x363i6v-check-flake-inputs.drv