these 2 derivations will be built:
  /nix/store/wqd9skzca9y223xlcxg55haqxdhapw9a-flake-inputs.drv
  /nix/store/yjdwwdmrb2b0n4r2m9kj9yhr3ghxrbkw-check-flake-inputs.drv
building '/nix/store/wqd9skzca9y223xlcxg55haqxdhapw9a-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/wqd9skzca9y223xlcxg55haqxdhapw9a-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building wqd9skzca9y223xlcxg55haqxdhapw9a-flake-inputs.drv
building '/nix/store/yjdwwdmrb2b0n4r2m9kj9yhr3ghxrbkw-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/yjdwwdmrb2b0n4r2m9kj9yhr3ghxrbkw-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building yjdwwdmrb2b0n4r2m9kj9yhr3ghxrbkw-check-flake-inputs.drv