these 2 derivations will be built:
  /nix/store/4irz73xfr1jxwra9hplw29b2siiwqfm9-flake-inputs.drv
  /nix/store/g9kyrks218nryssg8pagj3jnbv9h8gmq-check-flake-inputs.drv
building '/nix/store/4irz73xfr1jxwra9hplw29b2siiwqfm9-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/4irz73xfr1jxwra9hplw29b2siiwqfm9-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 4irz73xfr1jxwra9hplw29b2siiwqfm9-flake-inputs.drv
building '/nix/store/g9kyrks218nryssg8pagj3jnbv9h8gmq-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/g9kyrks218nryssg8pagj3jnbv9h8gmq-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building g9kyrks218nryssg8pagj3jnbv9h8gmq-check-flake-inputs.drv