these 2 derivations will be built:
  /nix/store/5937z7xf2f3xzif2kp3qrz1kldc0064k-flake-inputs.drv
  /nix/store/3cj9alxz44w65y5448wa98v4ph67vkcd-check-flake-inputs.drv
building '/nix/store/5937z7xf2f3xzif2kp3qrz1kldc0064k-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/5937z7xf2f3xzif2kp3qrz1kldc0064k-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 5937z7xf2f3xzif2kp3qrz1kldc0064k-flake-inputs.drv
building '/nix/store/3cj9alxz44w65y5448wa98v4ph67vkcd-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/3cj9alxz44w65y5448wa98v4ph67vkcd-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 3cj9alxz44w65y5448wa98v4ph67vkcd-check-flake-inputs.drv