these 2 derivations will be built:
  /nix/store/vgq05af2alz0qfz1xsvwj57rk7wfz1pn-flake-inputs.drv
  /nix/store/fqd4p8q9z61lpbdlq0lgqkr4fj36cb47-check-flake-inputs.drv
building '/nix/store/vgq05af2alz0qfz1xsvwj57rk7wfz1pn-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/vgq05af2alz0qfz1xsvwj57rk7wfz1pn-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building vgq05af2alz0qfz1xsvwj57rk7wfz1pn-flake-inputs.drv
building '/nix/store/fqd4p8q9z61lpbdlq0lgqkr4fj36cb47-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/fqd4p8q9z61lpbdlq0lgqkr4fj36cb47-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building fqd4p8q9z61lpbdlq0lgqkr4fj36cb47-check-flake-inputs.drv