these 2 derivations will be built:
  /nix/store/c3lywkf4z281ydi0fxsxswc53s69ly1f-flake-inputs.drv
  /nix/store/ydc2iw3541v40xjb7zr0sa8fks29gx5i-check-flake-inputs.drv
building '/nix/store/c3lywkf4z281ydi0fxsxswc53s69ly1f-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/c3lywkf4z281ydi0fxsxswc53s69ly1f-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building c3lywkf4z281ydi0fxsxswc53s69ly1f-flake-inputs.drv
building '/nix/store/ydc2iw3541v40xjb7zr0sa8fks29gx5i-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/ydc2iw3541v40xjb7zr0sa8fks29gx5i-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building ydc2iw3541v40xjb7zr0sa8fks29gx5i-check-flake-inputs.drv