these 2 derivations will be built:
  /nix/store/fhfnm831hhbmjlx9niag275zviqg8w8h-flake-inputs.drv
  /nix/store/r4ma41ijp1ncjwcpjv8nq2vkdmggb6ay-check-flake-inputs.drv
building '/nix/store/fhfnm831hhbmjlx9niag275zviqg8w8h-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/fhfnm831hhbmjlx9niag275zviqg8w8h-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building fhfnm831hhbmjlx9niag275zviqg8w8h-flake-inputs.drv
building '/nix/store/r4ma41ijp1ncjwcpjv8nq2vkdmggb6ay-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/r4ma41ijp1ncjwcpjv8nq2vkdmggb6ay-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building r4ma41ijp1ncjwcpjv8nq2vkdmggb6ay-check-flake-inputs.drv