diff --git a/build/moz.configure/rust.configure b/build/moz.configure/rust.configure
index 5d8bf0284f43..156241f7f7db 100644
--- a/build/moz.configure/rust.configure
+++ b/build/moz.configure/rust.configure
@@ -234,6 +234,9 @@ def rust_target_env_name(triple):
 # converting a string to uppercase.
 set_config('RUST_TARGET_ENV_NAME', rust_target_env_name)
 
+# This is used for putting source info into symbol files.
+set_config('RUSTC_COMMIT', depends(rustc_info)(lambda i: i.commit))
+
 # Until we remove all the other Rust checks in old-configure.
 add_old_configure_assignment('RUSTC', rustc)
 add_old_configure_assignment('RUST_TARGET', rust_target_triple)
diff --git a/toolkit/crashreporter/tools/symbolstore.py b/toolkit/crashreporter/tools/symbolstore.py
index a0c2df9256a1..828f87bc4c4c 100755
--- a/toolkit/crashreporter/tools/symbolstore.py
+++ b/toolkit/crashreporter/tools/symbolstore.py
@@ -394,6 +394,20 @@ class Dumper:
         if repo_manifest:
             self.parse_repo_manifest(repo_manifest)
         self.file_mapping = file_mapping or {}
+        # Add a static mapping for Rust sources.
+        target_os = buildconfig.substs['OS_ARCH']
+        rust_srcdir = None
+        if target_os == 'WINNT':
+            rust_srcdir = 'C:/projects/rust/src/'
+        elif target_os == 'Darwin':
+            rust_srcdir = '/Users/travis/build/rust-lang/rust/src/'
+        elif target_os == 'Linux':
+            rust_srcdir = '/checkout/src/'
+        if rust_srcdir is not None:
+            self.srcdirs.append(rust_srcdir)
+            Dumper.srcdirRepoInfo[rust_srcdir] = GitRepoInfo(rust_srcdir,
+                                                             buildconfig.substs['RUSTC_COMMIT'],
+                                                             'https://github.com/rust-lang/rust/')
 
     def parse_repo_manifest(self, repo_manifest):
         """