these 2 derivations will be built:
  /nix/store/c3biy10hwrn44x1djp9imrvn7n3m9mfs-flake-inputs.drv
  /nix/store/i968lkycmazy28j07372mgbxdl6k4bfi-check-flake-inputs.drv
building '/nix/store/c3biy10hwrn44x1djp9imrvn7n3m9mfs-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/c3biy10hwrn44x1djp9imrvn7n3m9mfs-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building c3biy10hwrn44x1djp9imrvn7n3m9mfs-flake-inputs.drv
building '/nix/store/i968lkycmazy28j07372mgbxdl6k4bfi-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/i968lkycmazy28j07372mgbxdl6k4bfi-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building i968lkycmazy28j07372mgbxdl6k4bfi-check-flake-inputs.drv