these 2 derivations will be built:
  /nix/store/81s92jjn9c22r0aj373da2ddzs8pbn1l-flake-inputs.drv
  /nix/store/ili4bc6l2bp08jvd82bb2x4yqakiazbv-check-flake-inputs.drv
building '/nix/store/81s92jjn9c22r0aj373da2ddzs8pbn1l-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/81s92jjn9c22r0aj373da2ddzs8pbn1l-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 81s92jjn9c22r0aj373da2ddzs8pbn1l-flake-inputs.drv
building '/nix/store/ili4bc6l2bp08jvd82bb2x4yqakiazbv-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/ili4bc6l2bp08jvd82bb2x4yqakiazbv-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building ili4bc6l2bp08jvd82bb2x4yqakiazbv-check-flake-inputs.drv