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prepare_shared_rust_runtime

supercov_engine::rust_compiler_orchestration

Function prepare_shared_rust_runtime 

Source 
pub fn prepare_shared_rust_runtime(
    rustc: &Path,
    directory: &Path,
) -> Result<PathBuf, RustCompilerOrchestrationError>
Expand description

Compile the one process-wide Rust probe runtime with the exact rustc path Cargo supplied to its wrapper. Concurrent rustc wrapper processes converge on one atomically published archive; a killed builder cannot create a partially valid archive or make peers wait indefinitely.