these 2 derivations will be built:
  /nix/store/ky7ikrxlr6dl6xsmp6mndjp3hv3vv44h-flake-inputs.drv
  /nix/store/6zy0lx898xnwlxyvb118b13c4g6izlbg-check-flake-inputs.drv
building '/nix/store/ky7ikrxlr6dl6xsmp6mndjp3hv3vv44h-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/ky7ikrxlr6dl6xsmp6mndjp3hv3vv44h-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building ky7ikrxlr6dl6xsmp6mndjp3hv3vv44h-flake-inputs.drv
building '/nix/store/6zy0lx898xnwlxyvb118b13c4g6izlbg-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/6zy0lx898xnwlxyvb118b13c4g6izlbg-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 6zy0lx898xnwlxyvb118b13c4g6izlbg-check-flake-inputs.drv