these 2 derivations will be built:
  /nix/store/l1f2w9n572y6wspy47r76i4l959xp9vf-flake-inputs.drv
  /nix/store/l9wn0mac3sv43q38w8kwm1l0bf7qizbj-check-flake-inputs.drv
building '/nix/store/l1f2w9n572y6wspy47r76i4l959xp9vf-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/l1f2w9n572y6wspy47r76i4l959xp9vf-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-263f833f: building l1f2w9n572y6wspy47r76i4l959xp9vf-flake-inputs.drv
building '/nix/store/l9wn0mac3sv43q38w8kwm1l0bf7qizbj-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/l9wn0mac3sv43q38w8kwm1l0bf7qizbj-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-263f833f: building l9wn0mac3sv43q38w8kwm1l0bf7qizbj-check-flake-inputs.drv