these 2 derivations will be built:
  /nix/store/lfqzq8lrw5fri5v1rj865fx4grixc7yq-flake-inputs.drv
  /nix/store/8p8ylpfpmx9xc8ip740zrbz9nqbbyck9-check-flake-inputs.drv
building '/nix/store/lfqzq8lrw5fri5v1rj865fx4grixc7yq-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/lfqzq8lrw5fri5v1rj865fx4grixc7yq-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building lfqzq8lrw5fri5v1rj865fx4grixc7yq-flake-inputs.drv
building '/nix/store/8p8ylpfpmx9xc8ip740zrbz9nqbbyck9-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/8p8ylpfpmx9xc8ip740zrbz9nqbbyck9-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 8p8ylpfpmx9xc8ip740zrbz9nqbbyck9-check-flake-inputs.drv