these 2 derivations will be built:
  /nix/store/j7vv5wrffsf55a7a54s8gg0av6jjkvmk-flake-inputs.drv
  /nix/store/ms1vcdshls91lavjry3ppn9a1kr9r12s-check-flake-inputs.drv
building '/nix/store/j7vv5wrffsf55a7a54s8gg0av6jjkvmk-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/j7vv5wrffsf55a7a54s8gg0av6jjkvmk-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building j7vv5wrffsf55a7a54s8gg0av6jjkvmk-flake-inputs.drv
building '/nix/store/ms1vcdshls91lavjry3ppn9a1kr9r12s-check-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/ms1vcdshls91lavjry3ppn9a1kr9r12s-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building ms1vcdshls91lavjry3ppn9a1kr9r12s-check-flake-inputs.drv