test: Auto-redact file hash

Author: Muscraft

crates/cargo-test-support/src/compare.rs

@@ -165,6 +165,11 @@ fn add_common_redactions(subs: &mut snapbox::Redactions) {
         regex::Regex::new("home/\\.cargo/registry/src/-(?<redacted>[a-z0-9]+)").unwrap(),
     )
     .unwrap();
+    subs.insert(
+        "[HASH]",
+        regex::Regex::new(r"[a-z0-9\-_]+-(?<redacted>[0-9a-f]{16})").unwrap(),
+    )
+    .unwrap();
     subs.insert("[HOST_TARGET]", rustc_host()).unwrap();
     if let Some(alt_target) = try_alternate() {
         subs.insert("[ALT_TARGET]", alt_target).unwrap();