these 2 derivations will be built:
  /nix/store/461ky72gpy8a4kj6ydfv2miz7n10gn1y-flake-inputs.drv
  /nix/store/cjygyjmikh8jysq0rd6f9i0jabrm4f5i-check-flake-inputs.drv
building '/nix/store/461ky72gpy8a4kj6ydfv2miz7n10gn1y-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/461ky72gpy8a4kj6ydfv2miz7n10gn1y-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-2c90f239: building 461ky72gpy8a4kj6ydfv2miz7n10gn1y-flake-inputs.drv
building '/nix/store/cjygyjmikh8jysq0rd6f9i0jabrm4f5i-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/cjygyjmikh8jysq0rd6f9i0jabrm4f5i-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-2c90f239: building cjygyjmikh8jysq0rd6f9i0jabrm4f5i-check-flake-inputs.drv