these 2 derivations will be built:
  /nix/store/1qw7wnrx5lzczpzp7vq7bs8888a147vx-flake-inputs.drv
  /nix/store/4mpcsrfp1813avv84a48yc462zsh7fa3-check-flake-inputs.drv
building '/nix/store/1qw7wnrx5lzczpzp7vq7bs8888a147vx-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/1qw7wnrx5lzczpzp7vq7bs8888a147vx-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 1qw7wnrx5lzczpzp7vq7bs8888a147vx-flake-inputs.drv
building '/nix/store/4mpcsrfp1813avv84a48yc462zsh7fa3-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/4mpcsrfp1813avv84a48yc462zsh7fa3-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 4mpcsrfp1813avv84a48yc462zsh7fa3-check-flake-inputs.drv