these 2 derivations will be built:
  /nix/store/p9n2w9gvvfn7736sf7d2k6lqrz0d4dvd-flake-inputs.drv
  /nix/store/j4glxhy4jnza1flvkrhpi7k3wkjpnvp0-check-flake-inputs.drv
building '/nix/store/p9n2w9gvvfn7736sf7d2k6lqrz0d4dvd-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/p9n2w9gvvfn7736sf7d2k6lqrz0d4dvd-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building p9n2w9gvvfn7736sf7d2k6lqrz0d4dvd-flake-inputs.drv
building '/nix/store/j4glxhy4jnza1flvkrhpi7k3wkjpnvp0-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/j4glxhy4jnza1flvkrhpi7k3wkjpnvp0-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building j4glxhy4jnza1flvkrhpi7k3wkjpnvp0-check-flake-inputs.drv