these 2 derivations will be built:
  /nix/store/28j41f3sri74hld3gvrpk61bh1ga3ifm-flake-inputs.drv
  /nix/store/2078rcjh5s02a0i6djaqrrggmrmwgfz5-check-flake-inputs.drv
building '/nix/store/28j41f3sri74hld3gvrpk61bh1ga3ifm-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/28j41f3sri74hld3gvrpk61bh1ga3ifm-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 28j41f3sri74hld3gvrpk61bh1ga3ifm-flake-inputs.drv
building '/nix/store/2078rcjh5s02a0i6djaqrrggmrmwgfz5-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/2078rcjh5s02a0i6djaqrrggmrmwgfz5-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 2078rcjh5s02a0i6djaqrrggmrmwgfz5-check-flake-inputs.drv