these 2 derivations will be built:
  /nix/store/xkc4f8syslv569a39f5p1bvwi0nd0cfa-flake-inputs.drv
  /nix/store/7ay4vz8y4cd6azym523di1x4q1fgp5si-check-flake-inputs.drv
building '/nix/store/xkc4f8syslv569a39f5p1bvwi0nd0cfa-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/xkc4f8syslv569a39f5p1bvwi0nd0cfa-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building xkc4f8syslv569a39f5p1bvwi0nd0cfa-flake-inputs.drv
building '/nix/store/7ay4vz8y4cd6azym523di1x4q1fgp5si-check-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/7ay4vz8y4cd6azym523di1x4q1fgp5si-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 7ay4vz8y4cd6azym523di1x4q1fgp5si-check-flake-inputs.drv