Do not allow defaults for `Mode` and `Config`
They do not have sensible defaults, and it is crucial that we get them
right.
diff --git a/src/tools/compiletest/src/common.rs b/src/tools/compiletest/src/common.rs
index bbc002a..943e800 100644
--- a/src/tools/compiletest/src/common.rs
+++ b/src/tools/compiletest/src/common.rs
@@ -34,12 +34,6 @@ pub enum Mode {
}
}
-impl Default for Mode {
- fn default() -> Self {
- Mode::Ui
- }
-}
-
impl Mode {
pub fn aux_dir_disambiguator(self) -> &'static str {
// Pretty-printing tests could run concurrently, and if they do,
@@ -151,7 +145,7 @@ pub enum Sanitizer {
///
/// FIXME: audit these options to make sure we are not hashing less than necessary for build stamp
/// (for changed test detection).
-#[derive(Debug, Default, Clone)]
+#[derive(Debug, Clone)]
pub struct Config {
/// Some test [`Mode`]s support [snapshot testing], where a *reference snapshot* of outputs (of
/// `stdout`, `stderr`, or other form of artifacts) can be compared to the *actual output*.
