these 2 derivations will be built:
  /nix/store/ia85j0azm8b50pd5fpm3kb63mbd44vxy-flake-inputs.drv
  /nix/store/jkw874ypyk3avb1ll9h0mlip0il4nc3a-check-flake-inputs.drv
building '/nix/store/ia85j0azm8b50pd5fpm3kb63mbd44vxy-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/ia85j0azm8b50pd5fpm3kb63mbd44vxy-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building ia85j0azm8b50pd5fpm3kb63mbd44vxy-flake-inputs.drv
building '/nix/store/jkw874ypyk3avb1ll9h0mlip0il4nc3a-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/jkw874ypyk3avb1ll9h0mlip0il4nc3a-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building jkw874ypyk3avb1ll9h0mlip0il4nc3a-check-flake-inputs.drv