these 2 derivations will be built:
  /nix/store/7j5psmcja2dfpw7hwfrfkyyrh37f9w67-flake-inputs.drv
  /nix/store/firc3zblyfiash6d5iq8mcam8fp7i6n8-check-flake-inputs.drv
building '/nix/store/7j5psmcja2dfpw7hwfrfkyyrh37f9w67-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/7j5psmcja2dfpw7hwfrfkyyrh37f9w67-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 7j5psmcja2dfpw7hwfrfkyyrh37f9w67-flake-inputs.drv
building '/nix/store/firc3zblyfiash6d5iq8mcam8fp7i6n8-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/firc3zblyfiash6d5iq8mcam8fp7i6n8-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building firc3zblyfiash6d5iq8mcam8fp7i6n8-check-flake-inputs.drv