these 2 derivations will be built:
  /nix/store/xvjld3rh28wikggcxdzf9ywb7vk5s2lz-flake-inputs.drv
  /nix/store/mdh0bl4vfihyk3zp6hfw8n5v66z0ry14-check-flake-inputs.drv
building '/nix/store/xvjld3rh28wikggcxdzf9ywb7vk5s2lz-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/xvjld3rh28wikggcxdzf9ywb7vk5s2lz-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building xvjld3rh28wikggcxdzf9ywb7vk5s2lz-flake-inputs.drv
building '/nix/store/mdh0bl4vfihyk3zp6hfw8n5v66z0ry14-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/mdh0bl4vfihyk3zp6hfw8n5v66z0ry14-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-9a50e053: building mdh0bl4vfihyk3zp6hfw8n5v66z0ry14-check-flake-inputs.drv