Add a new block to ignore rules

Author: Mark-Simulacrum

Diff for: src/extract.rs

@@ -27,6 +27,11 @@ static IGNORE_BLOCK: &[(&str, &str)] = &[
     // Skip environment variable dumps, as these can contain e.g. a SHA which is different in every
     // build.
     ("env:", "##[endgroup]"),
+    // See src/ci/scripts/dump-environment.sh in rust-lang/rust
+    (
+        "environment variables:",
+        "biggest files in the working dir:",
+    ),
 ];
 
 lazy_static! {