Function build_wasm_canisters_cached_batch 

pub fn build_wasm_canisters_cached_batch(
    specs: &[WasmBuildSpec],
) -> WasmBuildBatchReport

Build every Wasm specification as an independent Cargo invocation.

Specifications run sequentially and every result is retained. Each entry keeps its own package set, profile arguments, feature resolution, fingerprint, locks, and cache policy. Packages are never combined into one Cargo command because doing so can unify shared dependency features.