these 2 derivations will be built:
  /nix/store/7rb0xxwgnff93pvi9znz6c6dvbd9wplp-flake-inputs.drv
  /nix/store/rck77hhcd7ssphx4yyvsbhfmb7s7r91d-check-flake-inputs.drv
building '/nix/store/7rb0xxwgnff93pvi9znz6c6dvbd9wplp-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/7rb0xxwgnff93pvi9znz6c6dvbd9wplp-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 7rb0xxwgnff93pvi9znz6c6dvbd9wplp-flake-inputs.drv
building '/nix/store/rck77hhcd7ssphx4yyvsbhfmb7s7r91d-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/rck77hhcd7ssphx4yyvsbhfmb7s7r91d-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building rck77hhcd7ssphx4yyvsbhfmb7s7r91d-check-flake-inputs.drv