fn create_synthetic_target(
builder: &Builder<'_>,
compiler: Compiler,
suffix: &str,
base: TargetSelection,
customize: impl FnOnce(&mut Map<String, Value>),
) -> TargetSelection
fn create_synthetic_target(
builder: &Builder<'_>,
compiler: Compiler,
suffix: &str,
base: TargetSelection,
customize: impl FnOnce(&mut Map<String, Value>),
) -> TargetSelection