Compiling core v0.0.0 (/root/.rustup/toolchains/nightly-2025-05-12-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core) Compiling compiler_builtins v0.1.158 Compiling rustc-std-workspace-core v1.99.0 (/root/.rustup/toolchains/nightly-2025-05-12-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/rustc-std-workspace-core) Compiling use_core v0.1.0 (/workdir/builder/tester/lib/use_core)error: symbol 'fma' is already definederror: could not compile `compiler_builtins` (lib) due to 1 previous error