these 2 derivations will be built:
  /nix/store/hlbzmfhs0c7fymm0qpwwzb824clxss47-flake-inputs.drv
  /nix/store/xfhkp65znjlxb498lzhhzbjvp25ys47z-check-flake-inputs.drv
building '/nix/store/hlbzmfhs0c7fymm0qpwwzb824clxss47-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/hlbzmfhs0c7fymm0qpwwzb824clxss47-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-a369d9a6: building hlbzmfhs0c7fymm0qpwwzb824clxss47-flake-inputs.drv
building '/nix/store/xfhkp65znjlxb498lzhhzbjvp25ys47z-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/xfhkp65znjlxb498lzhhzbjvp25ys47z-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-a369d9a6: building xfhkp65znjlxb498lzhhzbjvp25ys47z-check-flake-inputs.drv