these 2 derivations will be built:
  /nix/store/3kjmkss1cjrssfybxkq9g30hgfcg4p2w-flake-inputs.drv
  /nix/store/gx1rk0x0n5xp20paqhm8k2yalwp0d3h6-check-flake-inputs.drv
building '/nix/store/3kjmkss1cjrssfybxkq9g30hgfcg4p2w-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/3kjmkss1cjrssfybxkq9g30hgfcg4p2w-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 3kjmkss1cjrssfybxkq9g30hgfcg4p2w-flake-inputs.drv
building '/nix/store/gx1rk0x0n5xp20paqhm8k2yalwp0d3h6-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/gx1rk0x0n5xp20paqhm8k2yalwp0d3h6-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building gx1rk0x0n5xp20paqhm8k2yalwp0d3h6-check-flake-inputs.drv