these 2 derivations will be built:
  /nix/store/z4bvp41rclb1jfdnxbkg1kb48rhnmdih-flake-inputs.drv
  /nix/store/a1026agpfiy2qdj86mw8jrb6qznk9x3r-check-flake-inputs.drv
building '/nix/store/z4bvp41rclb1jfdnxbkg1kb48rhnmdih-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/z4bvp41rclb1jfdnxbkg1kb48rhnmdih-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building z4bvp41rclb1jfdnxbkg1kb48rhnmdih-flake-inputs.drv
building '/nix/store/a1026agpfiy2qdj86mw8jrb6qznk9x3r-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/a1026agpfiy2qdj86mw8jrb6qznk9x3r-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building a1026agpfiy2qdj86mw8jrb6qznk9x3r-check-flake-inputs.drv