buildx failed with: ERROR: failed to build: failed to solve: process "/bin/sh -c set -eux && echo \"Testing osxcross with compiler-rt...\" && echo \"int main(void){return 0;}\" | xcrun clang -xc -o/dev/null -v - 2>&1 | grep \"libclang_rt\" 1>/dev/null && echo \"compiler-rt installed and working successfully!\" && true" did not complete successfully: exit code: 1