these 2 derivations will be built:
  /nix/store/7dyy69v6z99qx3mpifsli7amzh4bc8vm-flake-inputs.drv
  /nix/store/28k4zaw2l2xkv9x3lgrkbjvca7n9a6w1-check-flake-inputs.drv
building '/nix/store/7dyy69v6z99qx3mpifsli7amzh4bc8vm-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/7dyy69v6z99qx3mpifsli7amzh4bc8vm-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-ac8bb7f5: building 7dyy69v6z99qx3mpifsli7amzh4bc8vm-flake-inputs.drv
building '/nix/store/28k4zaw2l2xkv9x3lgrkbjvca7n9a6w1-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/28k4zaw2l2xkv9x3lgrkbjvca7n9a6w1-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-ac8bb7f5: building 28k4zaw2l2xkv9x3lgrkbjvca7n9a6w1-check-flake-inputs.drv