Compiling compiler_builtins v0.1.160 (/root/.rustup/toolchains/nightly-2025-07-05-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/compiler-builtins/compiler-builtins) Compiling core v0.0.0 (/root/.rustup/toolchains/nightly-2025-07-05-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core)error: target requires explicitly specifying a cpu with `-C target-cpu`error: could not compile `core` (lib) due to 1 previous errorwarning: build failed, waiting for other jobs to finish...error: could not compile `compiler_builtins` (lib) due to 1 previous error