these 2 derivations will be built:
  /nix/store/7qg9vamsaxbbp6dnwza1i5z9q9p0di8x-flake-inputs.drv
  /nix/store/y87n3j8yfqsz7d08w9kwpby5vc3wp56m-check-flake-inputs.drv
building '/nix/store/7qg9vamsaxbbp6dnwza1i5z9q9p0di8x-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/7qg9vamsaxbbp6dnwza1i5z9q9p0di8x-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-2c90f239: building 7qg9vamsaxbbp6dnwza1i5z9q9p0di8x-flake-inputs.drv
building '/nix/store/y87n3j8yfqsz7d08w9kwpby5vc3wp56m-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/y87n3j8yfqsz7d08w9kwpby5vc3wp56m-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-2c90f239: building y87n3j8yfqsz7d08w9kwpby5vc3wp56m-check-flake-inputs.drv