these 2 derivations will be built:
  /nix/store/vc0vf3xqgynnz6qf0n2b109d2293557b-flake-inputs.drv
  /nix/store/ywg1q2s9x1ginrx179xy5f9lb06agqaq-check-flake-inputs.drv
building '/nix/store/vc0vf3xqgynnz6qf0n2b109d2293557b-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/vc0vf3xqgynnz6qf0n2b109d2293557b-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building vc0vf3xqgynnz6qf0n2b109d2293557b-flake-inputs.drv
building '/nix/store/ywg1q2s9x1ginrx179xy5f9lb06agqaq-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/ywg1q2s9x1ginrx179xy5f9lb06agqaq-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building ywg1q2s9x1ginrx179xy5f9lb06agqaq-check-flake-inputs.drv